{"slug":"ghk-cu","verification":{"valid":true,"entries":33,"head":"6412f1d369cf09913bc20c7aa56c27055c9ac1e018bd6f24260f374c3dc1ac4d"},"count":33,"models":["grok/grok-4.3","grok-4.3","system/audit-repair","kimi/moonshot-v1-8k","fill-slots"],"yield":{"passes":33,"energy_spent_rows":0,"total_cost_usd":0.000557,"waste_cost_usd":0,"total_tokens":3716,"material_outputs":3,"usd_per_output":0.000186,"models":[{"model":"kimi/moonshot-v1-8k","passes":1,"cost_usd":0.000557,"tokens_total":3716,"outputs":3,"waste_passes":0,"usd_per_output":0.000186},{"model":"grok/grok-4.3","passes":1,"cost_usd":0,"tokens_total":0,"outputs":0,"waste_passes":0,"usd_per_output":null},{"model":"grok-4.3","passes":23,"cost_usd":0,"tokens_total":0,"outputs":0,"waste_passes":0,"usd_per_output":null},{"model":"system/audit-repair","passes":5,"cost_usd":0,"tokens_total":0,"outputs":0,"waste_passes":0,"usd_per_output":null},{"model":"fill-slots","passes":3,"cost_usd":0,"tokens_total":0,"outputs":0,"waste_passes":0,"usd_per_output":null}],"constraints":{"constitution":"/api/articles/constitution","collaborate_schema":"POST /api/protocol/collaborate","pricing_ppm":{"grok-4.3":[1.25,2.5],"grok/grok-4.3":[1.25,2.5],"grok-build-0.1":[1,2],"kimi/moonshot-v1-8k":[0.15,0.15],"gemini/gemini-2.5-flash":[0.075,0.3],"gemini/gemini-2.0-flash-lite":[0.075,0.3],"openai/gpt-4o":[2.5,10],"openai/gpt-4o-mini":[0.15,0.6],"system/reflex":[0,0],"ingest:deterministic":[0,0],"fill-slots":[0,0]}}},"contributions":[{"seq":0,"id":"k1","ts":"2026-06-29T08:34:09.954Z","model":"grok/grok-4.3","role":"writer","action":"redraft","payload":{"title":"GHK-Cu: Collagen Scaffolding","register":"source_ledger","body":"## GHK-Cu: Collagen Scaffolding\n\nGHK-Cu (glycyl-L-histidyl-L-lysine copper) is a naturally occurring copper-binding tripeptide first isolated from human plasma.\n\n### Plasma Levels and Age-Related Decline\nPlasma GHK levels measure approximately 200 ng/mL at age 20 and decline to approximately 80 ng/mL by age 60 (human plasma measurements).\n\n### Collagen and Extracellular Matrix Effects\nIn human dermal fibroblast cultures, GHK-Cu at nanomolar concentrations increases synthesis of collagen types I, III, and IV as well as elastin and glycosaminoglycans (preclinical, human cell studies). It also modulates matrix metalloproteinases and their inhibitors, supporting both synthesis and organized remodeling of collagen (mechanistic).\n\nPlacebo-controlled topical application studies in women around age 50 reported improved skin quality parameters and increased collagen deposition in skin biopsies (human).\n\nNo large-scale systemic human trials on collagen scaffolding outcomes are available.\n\n### Wound Healing and Tissue Remodeling Context\nA registered Phase 2 randomized double-blind trial (NCT07437586) is evaluating topical GHK-Cu gel versus vehicle for acute skin wound re-epithelialization in healthy adults (human trial, ongoing/registered).\n\nGene-expression studies in human cells link GHK-Cu exposure to patterns associated with improved fibroblast function and collagen reorganization (mechanistic).\n\n### Summary of Evidence Tiers\n- Age-related decline in circulating GHK: human data.\n- Stimulation of collagen production: primarily preclinical (human fibroblasts in vitro) with limited supporting human topical biopsy data.\n- Systemic tissue remodeling claims: no human data.","claims":[{"id":"c1","text":"Plasma GHK levels measure approximately 200 ng/mL at age 20 and decline to approximately 80 ng/mL by age 60.","section":"Plasma Levels and Age-Related Decline","tier":"human","source_ids":["s1"],"source_status":"sourced","why_material":"Establishes baseline human measurement of endogenous decline.","evidence_basis":"derived_inference","weight":0.8,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}},{"id":"c2","text":"In human dermal fibroblast cultures, GHK-Cu at nanomolar concentrations increases synthesis of collagen types I, III, and IV as well as elastin and glycosaminoglycans.","section":"Collagen and Extracellular Matrix Effects","tier":"preclinical","source_ids":["s2"],"source_status":"sourced","why_material":"Documents in-vitro human cell evidence separate from clinical outcomes.","evidence_basis":"derived_inference","weight":0.5,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}},{"id":"c3","text":"Placebo-controlled topical application studies in women around age 50 reported improved skin quality parameters and increased collagen deposition in skin biopsies.","section":"Collagen and Extracellular Matrix Effects","tier":"human","source_ids":["s2"],"source_status":"sourced","why_material":"Separates limited human topical data from preclinical findings.","evidence_basis":"derived_inference","weight":0.8,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}},{"id":"c4","text":"A registered Phase 2 randomized double-blind trial (NCT07437586) is evaluating topical GHK-Cu gel versus vehicle for acute skin wound re-epithelialization in healthy adults.","section":"Wound Healing and Tissue Remodeling Context","tier":"human","source_ids":["s3"],"source_status":"sourced","why_material":"Notes registered human trial status without outcome data.","evidence_basis":"derived_inference","weight":0.8,"status":"active","stance_scores":{"neutral":0,"pro":0,"adversary":0},"extra":{}}],"sources":[{"id":"s1","type":"pubmed","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC8789089/","title":"The potential of GHK as an anti-aging peptide","quote":"The plasma level of GHK is about 200 ng/ml at age 20 but declines to 80 ng/ml by age 60.","link_status":"ok","quote_status":"verified"},{"id":"s2","type":"pubmed","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4508379/","title":"GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration","quote":"A number of placebo-controlled clinical studies found GHK-Cu to improve skin quality in women around the age of 50. A study of collagen production determined by studying skin biopsy samples... Increases were found in 70% of the women treated with GHK-Cu... GHK-Cu at 0.01, 1 and 100 nM incubated with human adult dermal fibroblasts increased production of elastin and collagen.","link_status":"ok","quote_status":"verified"},{"id":"s3","type":"clinical_trial","url":"https://clinicaltrials.gov/study/NCT07437586","title":"Topical GHK-Cu Gel for Acute Skin Wound Healing (CuHeal)","quote":"This study will evaluate whether a topical gel containing GHK-Cu (a copper(II)-peptide complex) can safely speed up healing of small, standardized skin wounds in healthy adults compared with a matching vehicle gel.","link_status":"ok","quote_status":"unverified"}]},"rationale":"","tokens_in":0,"tokens_out":0,"prev_hash":"genesis","hash":"7fc69b4de05dcd29d41a7e1bca89147a5f407c6da529fee1e04231b58b0c8ee2"},{"seq":1,"id":"k2","ts":"2026-06-29T09:57:04.703Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s4","type":"review","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC6073405/","title":"Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data","quote":"It stimulates blood vessel and nerve outgrowth , increases collagen, elastin, and glycosaminoglycan synthesis, as well as supports the function of dermal ...","link_status":"ok","quote_status":"unverified"},{"id":"s5","type":"medical","url":"https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2025.1551843/full","title":"Exploring the beneficial effects of GHK-Cu on an ulcerative colitis model","quote":"This study found that GHK - Cu demonstrated significant therapeutic effects in DSS-induced UC in mice. GHK - Cu may promote mucosal healing and enhance tight ...","link_status":"ok","quote_status":"unverified"},{"id":"s6","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/41997403/","title":"Glycyl-L-histidyl-L-lysine-Cu2+ (GHK-Cu) Attenuates CuSO4 or LPS induced-inflammation in Zebrafish larvae model","quote":"Glycyl-L-histidyl-L-lysine-Cu 2+ (GHK-Cu ), a bioactive tripeptide complex known for its anti-aging and tissue repair properties, is extensively ...","link_status":"ok","quote_status":"unverified"},{"id":"s7","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/39963574/","title":"Topically applied GHK as an anti-wrinkle peptide","quote":"Although GHK-Cu and Pal-GHK are effective and relatively skin permeable, their permeability could be successfully increased using permeation enhancement ...","link_status":"ok","quote_status":"unverified"},{"id":"s8","type":"reddit","url":"https://www.reddit.com/r/30PlusSkinCare/comments/1r39ib4/anyone_tried_injectable_ghk_cu_total_game_changer/","title":"Anyone tried injectable GHK CU? Total game changer for skin?","quote":"I'm on my sixth week of subcutaneous GHK-Cu and so far quite promising -- looking forward to seeing the longer-term effects. ... subtle improvements to my early nasolabial folds, etc.","link_status":"ok","quote_status":"unverified"},{"id":"s9","type":"youtube","url":"https://www.youtube.com/watch?v=AsF22Fw7qkk","title":"I Tested GHK-Cu For A Year | Here's What Actually Happened","quote":"GHK-Cu is usually talked about as a “skin peptide,” but after running it for nearly a year, I saw a much bigger picture. ... including what changed with my skin, scars, inflammation, recovery, sleep, and hair","link_status":"http_429","quote_status":"unverified"},{"id":"s10","type":"medical","url":"https://www.innerbody.com/ghk-cu-peptide","title":"GHK-Cu Peptide | The benefits, side effects, and more [2026]","quote":"In a 2018 review, the authors detailed multiple positive studies and trials on the use of GHK-Cu for signs of skin aging. One trial had 71 women with “mild to advanced signs of photoaging” apply a facial cream containing GHK-Cu daily for three months...","link_status":"ok","quote_status":"verified"}]},"rationale":"auto-populate round 1","tokens_in":0,"tokens_out":0,"prev_hash":"7fc69b4de05dcd29d41a7e1bca89147a5f407c6da529fee1e04231b58b0c8ee2","hash":"ab4aa4e45a12d825e73025b1dac3c24eed308cc771c53dcc6fa89d36f0157c02"},{"seq":2,"id":"k3","ts":"2026-06-29T09:57:33.707Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s11","type":"medical","url":"https://www.westlakedermatology.com/trends/ghk-cu-copper-peptides-for-skin-care/","title":"A Dermatologist’s Take on the Copper Peptide (GHK-Cu) Skin Care Trend","quote":"Research does show GHK-Cu: Stimulates collagen and glycosaminoglycan production Improves wound healing in laboratory and clinical settings Reduces inflammation and oxidative stress Supports healthier skin structure over time","link_status":"ok","quote_status":"unverified"},{"id":"s12","type":"youtube","url":"https://www.youtube.com/watch?v=1n4wTQ2zdl4","title":"The Benefits & Risks of GHK-Cu (WATCH BEFORE TAKING)","quote":"What are the real benefits, risks, and limitations of GHK-Cu? I cover how it may support collagen production, reduce inflammation, improve recovery, and help protect skin during rapid weight loss on GLP-1 medications.","link_status":"http_429","quote_status":"unverified"},{"id":"s13","type":"reddit","url":"https://www.reddit.com/r/SkincareAddictionLux/comments/1poeyy0/most_effective_way_to_deliver_ghkcu_copper/","title":"Most effective way to deliver GHK-Cu (Copper Tripeptide-1) through skin?","quote":"I’ve read a bunch about GHK-Cu (Copper Tripeptide-1) and the scientific research around it (great for skin quality and repair).","link_status":"ok","quote_status":"unverified"},{"id":"s14","type":"review","url":"https://bi.tbzmed.ac.ir/Inpress/bi-30071.pdf","title":"Topically applied GHK as an anti-wrinkle peptide","quote":"Although GHK-Cu and Pal-GHK have been of interest as effective peptides to be incorporated in the anti-wrinkle products, there is a surprising ...","link_status":"ok","quote_status":"unverified"},{"id":"s15","type":"other","url":"https://www.fda.gov/media/94155/download","title":"Bulk Drug Substances Nominated for Use in Compounding","quote":"GHK-Cu (except for injectable routes of administration) will be added back to category 1.","link_status":"ok","quote_status":"unverified"}]},"rationale":"auto-populate round 2","tokens_in":0,"tokens_out":0,"prev_hash":"ab4aa4e45a12d825e73025b1dac3c24eed308cc771c53dcc6fa89d36f0157c02","hash":"ff9c3084deff84f8102667100a2fef9b936b789a97b0c30242198ae5b962152c"},{"seq":3,"id":"k4","ts":"2026-06-29T09:57:54.133Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s16","type":"reddit","url":"https://www.reddit.com/r/SkincareAddiction/comments/1cqui3m/product_question_has_anyone_tried_ghkcu/","title":"[product question] has anyone tried GHK-CU injections for skin care...","quote":"I’ve been using GHK-cu at 2-3mg per day for 12 weeks now and honestly - my skin has never looked worse. ... my skin which has always been plump with a natural radiant glow ... is now kind of dull and lack luster. I’ve had a few breakouts from it also but I would honestly say I feel like I’m seeing an increase in sagging.","link_status":"ok","quote_status":"unverified"},{"id":"s17","type":"reddit","url":"https://www.reddit.com/r/SkincareAddiction/comments/1cqui3m/product_question_has_anyone_tried_ghkcu/","title":"[product question] has anyone tried GHK-CU injections for skin care...","quote":"I injected 1mg for 3 months. Now I’m doing 2mg M-F and off on weekends. ... My skin looks glowing... My jawline does look tighter... I can tell my skin all over is improving as well.","link_status":"ok","quote_status":"unverified"},{"id":"s18","type":"reddit","url":"https://www.reddit.com/r/SkincareAddiction/comments/1cmlmg9/psa_albeit_rare_copper_peptide_uglies_are_real/","title":"[PSA] Albeit rare Copper peptide \"uglies\" are real and scary...","quote":"One morning about 10 days in, I saw vertical fine lines that appeared on the right side of my forehead. ... I think it also slightly enlarged my skin's pores... The lines are for sure fading away but this is no guarantee I did not create a breeding ground that could in time keep getting worse...","link_status":"ok","quote_status":"unverified"},{"id":"s19","type":"reddit","url":"https://www.reddit.com/r/Biohackers/comments/1py9kvg/ghk_cu_is_underrated/","title":"Ghk cu is underrated","quote":"I’m using it daily on an indefinite basis. 3mg dose currently. Zero pain in any joints, tendons, or muscle in my body, quicker recovery from resistance training, reduced wrinkles, improved skin tightness, clearer complexion / skin tone, to name a few! I’ve had people comment and ask me what I’m doing differently.","link_status":"ok","quote_status":"unverified"},{"id":"s20","type":"reddit","url":"https://www.reddit.com/r/Biohackers/comments/1py9kvg/ghk_cu_is_underrated/","title":"Ghk cu is underrated","quote":"I use it after laser treatment combined with red light therapy to speed up my recovery after laser treatment and it usually shortens the redness period from 3-4 to 2 just days","link_status":"ok","quote_status":"unverified"}]},"rationale":"auto-populate round 3","tokens_in":0,"tokens_out":0,"prev_hash":"ff9c3084deff84f8102667100a2fef9b936b789a97b0c30242198ae5b962152c","hash":"44deb6bafe1476496db5c163b0d10ab1c03a2362adb7be3fa09643acb801cf69"},{"seq":4,"id":"k5","ts":"2026-06-29T09:58:13.646Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s21","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/40716276/","title":"An injectable hydroxyapatite microsphere filler loaded with GHK-Cu tripeptide for anti-Inflammatory and antioxidant","quote":"GHK-Cu@CMHA exhibits sustained release properties for 7 days , which ensures prolonged therapeutic effects, minimizes peptide waste and reduces ...","link_status":"ok","quote_status":"unverified"},{"id":"s22","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/42084774/","title":"The GHK-Cu delays aging in Caenorhabditis elegans via coordinated regulation of mitochondrial function and activation of DAF-16/SKN-1 pathways","quote":"Our results demonstrated that GHK-Cu significantly extended lifespan of C. elegans and ameliorated mutiple aging-related phenotypes, including ...","link_status":"ok","quote_status":"unverified"},{"id":"s23","type":"review","url":"https://pubmed.ncbi.nlm.nih.gov/42021992/","title":"Therapeutic peptides in gerontology: mechanisms and clinical applications","quote":"Nine peptides were identified spanning diverse aging interventions: metabolic restoration (tirzepatide), telomere biology (epitalon), dermal regeneration (GHK-Cu), tissue repair (BPC-157, TB-500), neuroprotection (Semax), growth hormone modulation (CJC-1295, ipamorelin), and sexual function (bremelanotide).","link_status":"ok","quote_status":"verified"},{"id":"s24","type":"medical","url":"https://www.paragonsportsmedicine.com/peptides/ghk-cu","title":"GHK-Cu Peptide | Skin & Healing Benefits","quote":"GHK-Cu represents a well-established therapeutic peptide with demonstrated benefits in clinical studies of skin rejuvenation, wound healing, and tissue regeneration.","link_status":"ok","quote_status":"verified"},{"id":"s25","type":"reddit","url":"https://www.reddit.com/r/NTNPerformance/comments/1tfe24p/ghkcu_peptide_guide/","title":"GHK-Cu peptide guide.","quote":"GHK-Cu (glycyl-histidyl-lysine copper) is a naturally occurring tripeptide-copper complex found in human plasma. It was first isolated in 1973 by Dr. Loren Pickart during research into liver cell regeneration.","link_status":"ok","quote_status":"unverified"},{"id":"s26","type":"youtube","url":"https://www.youtube.com/watch?v=gzQkWWHV4uQ","title":"The Only Peptide that Builds Collagen, Muscle, and Hair ...","quote":"I have been taking the cocktail which consists of ghk-cu , BPC 157 and TB500 for 5 months. My skin is tight and smooth. My inflammation is gone. And my lifts ...","link_status":"http_429","quote_status":"unverified"}]},"rationale":"auto-populate round 4","tokens_in":0,"tokens_out":0,"prev_hash":"44deb6bafe1476496db5c163b0d10ab1c03a2362adb7be3fa09643acb801cf69","hash":"40895a049d22d33ab381f67faf1a68f593a7a67e63fef27137339902d2a45aae"},{"seq":5,"id":"k6","ts":"2026-06-29T09:59:13.165Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s27","type":"reddit","url":"https://www.reddit.com/r/SkincareAddictionLux/comments/1mcka43/best_copper_peptide_brand/","title":"Best copper peptide brand?","quote":"Recently heard about Cosrx 6 Peptide serum, ordinary 1% copper peptide... I can’t decide on a brand to get","link_status":"ok","quote_status":"unverified"},{"id":"s28","type":"clinical_trial","url":"https://clinicaltrials.gov/study/NCT05932732","title":"Trial Assessing the Impact on Facial Skin Quality, Hydration, and Skin Barrier of Three (3) Hydrafacial Treatments in Adults of All Skin Types.","quote":"Trial Assessing the Impact on Facial Skin Quality, Hydration, and Skin Barrier of Three (3) Hydrafacial Treatments in Adults of All Skin Types.","link_status":"ok","quote_status":"unverified"},{"id":"s29","type":"review","url":"https://www.researchgate.net/publication/404069524_BPC-157_and_GHK-Cu_in_Wound_Healing_and_Tissue_Repair_A_Review_of_Clinical_Efficacy_and_Safety","title":"BPC-157 and GHK-Cu in Wound Healing and Tissue Repair: A Review of Clinical Efficacy and Safety","quote":"This review synthesizes preclinical and clinical research on BPC-157 and GHK-Cu efficacy and safety in wound healing and tissue repair","link_status":"http_403","quote_status":"unverified"},{"id":"s30","type":"youtube","url":"https://www.youtube.com/watch?v=CbVsc6jJDXY","title":"Copper Peptides For Hair Growth in 2026? Watch This First!","quote":"This video explores the potential of copper peptides like GHK-Cu as a hair loss treatment, examining the scientific evidence versus ...","link_status":"http_429","quote_status":"unverified"},{"id":"s31","type":"medical","url":"https://meto.co/blog/ghk-cu-copper-peptide-benefits","title":"GHK-Cu: The Science Behind the Copper Peptide","quote":"Responsible interpretation requires acknowledging both the strong mechanistic research and the current lack of large-scale human clinical trials for systemic uses","link_status":"ok","quote_status":"verified"}]},"rationale":"auto-populate round 1","tokens_in":0,"tokens_out":0,"prev_hash":"40895a049d22d33ab381f67faf1a68f593a7a67e63fef27137339902d2a45aae","hash":"1d0f8386a04e06693b91fd418cdd374df9c3265ff587ace263543df7dc9e3925"},{"seq":6,"id":"k7","ts":"2026-06-29T09:59:36.302Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s32","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/38387323/","title":"Tripeptides Ghk and GhkCu-modified silver nanoparticles for enhanced antibacterial and wound healing activities","quote":"Hence concluded that these novel tripeptides Ghk and GhkCu-modified AgNPs exhibited potent antibacterial effects and significantly promoted wound healing properties.","link_status":"ok","quote_status":"verified"},{"id":"s33","type":"medical","url":"https://www.joinmidi.com/post/ghk-cu","title":"GHK-Cu for Anti-Aging: Does This Copper Peptide Really Work?","quote":"while GHK-Cu is well-studied as a topical skin care ingredient, it is currently much less evidenced as a systemic injectable treatment.","link_status":"ok","quote_status":"verified"},{"id":"s34","type":"reddit","url":"https://old.reddit.com/r/40and45PlusSkinCare/comments/1u98v6d/has_anyones_opinion_on_ghkcu_changed_after/","title":"Has Anyone's Opinion on GHK-Cu Changed After Spending More Time With It?","quote":"A while back, it felt like GHK-Cu was being discussed everywhere. Whether the topic was skin quality, recovery, hair, or general peptide research, it seemed ...","link_status":"ok","quote_status":"unverified"},{"id":"s35","type":"youtube","url":"https://www.youtube.com/watch?v=IU6oRY7im6k","title":"GHK-Cu (Copper Peptide) Deep Dive: Mechanisms, Benefits, Risks, Forms, & Dosing","quote":"GHK-Cu (Copper Peptide) is one of the most biologically active and versatile peptides ever discovered—playing a critical role in tissue repair, skin regeneration, hair growth, inflammation control, and gene regulation.","link_status":"http_429","quote_status":"unverified"},{"id":"s36","type":"reddit","url":"https://www.reddit.com/r/Biohackers/comments/1rwcte4/topical_ghkcu/","title":"Topical ghk-cu","quote":"Yes—does work, but locally. It helps with skin repair, collagen, and hair when applied to that specific area; it’s not a scam, just not systemic.","link_status":"ok","quote_status":"unverified"}]},"rationale":"auto-populate round 2","tokens_in":0,"tokens_out":0,"prev_hash":"1d0f8386a04e06693b91fd418cdd374df9c3265ff587ace263543df7dc9e3925","hash":"4211401f2923febcbe92a9f86649abb47b4660d57ad069f3965034debbbc54d6"},{"seq":7,"id":"k8","ts":"2026-06-29T09:59:51.703Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s37","type":"reddit","url":"https://www.reddit.com/r/Biohackers/comments/1sphw3t/ghkcu_before_and_after/","title":"GHK-Cu before and after","quote":"Protocol: 1mg every night before bed. The pictures show the long term. Short term however, I noticed that hair wasn't falling out when I was showering. My pillow also had alot of hair that had fallen out and I noticed that after a few weeks there was no hair on my pillow case.","link_status":"ok","quote_status":"unverified"},{"id":"s38","type":"reddit","url":"https://www.reddit.com/r/45PlusSkincare/comments/12z3ft9/lets_talk_about_copper_peptides_whose_tried_them/","title":"Let's talk about copper peptides, whose tried them and ...","quote":"Copper peptide injections seem to be the only real effective and results proven method for me. Took 8 weeks but I see a massive difference not ...","link_status":"ok","quote_status":"unverified"},{"id":"s39","type":"reddit","url":"https://www.reddit.com/r/FemaleHairLoss/comments/1lvpeb7/any_experience_using_copper_peptide_ghkcu_and/","title":"Any experience using Copper Peptide GHK-Cu and AHK- ...","quote":"I’ve been trying out a combo serum with both peptides called AHK-CU + GHK-CU hair serum pro from Neurogan for a few months now. For me, it’s been more about improving overall hair density and getting some thicker strands coming in, which has been encouraging. I can’t say it’s an overnight change, but over time I’ve noticed my hair looks a bit fuller.","link_status":"ok","quote_status":"unverified"},{"id":"s40","type":"reddit","url":"https://www.reddit.com/r/Biohackers/comments/1sgg8o4/anyone_have_weird_side_effects_with_ghkcu/","title":"Anyone have weird side effects with GHK-Cu?","quote":"I took it subcutaneously for about a week, and it was fine at first, but as I kept going I was encountering some crazy side effects. Insane lightheadedness, weird nerves firing around my body and head, feeling extremely strange (health wise) like I was barely clinging to consciousness.","link_status":"ok","quote_status":"unverified"},{"id":"s41","type":"reddit","url":"https://www.reddit.com/r/PeptideForum/comments/1b2rx59/ghkcu_side_effects/","title":"GHK-CU Side Effects","quote":"Subject started taking GHK-CU on Sunday and the following day had a dull headache, lower back pain, and muscle aches in legs. Dosing has continued daily, with the same symptoms. Noticed that symptoms briefly subsided when dose was taken later in the day. Subject is skipping dose today and has zero symptoms.","link_status":"ok","quote_status":"unverified"},{"id":"s42","type":"reddit","url":"https://www.reddit.com/r/tressless/comments/1rytxzu/gh_peptides_klow_blend_saved_my_hair_before_and/","title":"GH peptides + KLOW blend saved my hair. before and after ...","quote":"around week 6-8 i noticed my hair was actually thicker. not just \"i think it looks better\" thick, like visibly filling in on the crown. ... crown filled in way more than i expected.","link_status":"ok","quote_status":"unverified"}]},"rationale":"auto-populate round 3","tokens_in":0,"tokens_out":0,"prev_hash":"4211401f2923febcbe92a9f86649abb47b4660d57ad069f3965034debbbc54d6","hash":"e750f2286bb1796cffd6922ba9bdb1c4a7151be1850ac7a714bb84db5ced1a7f"},{"seq":8,"id":"k9","ts":"2026-06-29T10:00:17.825Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s43","type":"medical","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC12263609/","title":"Exploring the beneficial effects of GHK-Cu on an experimental ulcerative colitis model in mice","quote":"This study found that GHK-Cu demonstrated significant therapeutic effects in DSS-induced UC in mice. GHK-Cu may promote mucosal healing and enhance tight ...","link_status":"ok","quote_status":"unverified"},{"id":"s44","type":"medical","url":"https://www.sciencedirect.com/science/article/abs/pii/S0927776525004898","title":"An injectable hydroxyapatite microsphere filler loaded with GHK-Cu tripeptide for anti-Inflammatory and antioxidant","quote":"This study developed an injectable filler with enhanced anti-inflammatory and antioxidant effects by adsorbing glycyl-L-histidyl-L-lysine copper complex (GHK-Cu) onto hydroxyapatite microspheres (HAPs)","link_status":"http_403","quote_status":"unverified"},{"id":"s45","type":"reddit","url":"https://www.reddit.com/r/tressless/comments/1tk2xcn/1_year_fin2_months_ghkcu_update/","title":"1 year Fin/2 months GHK-CU update : r/tressless","quote":"Thinking of adding injectable GHK-Cu for hair thinning & loose skin while on Retatrutide.","link_status":"ok","quote_status":"unverified"},{"id":"s46","type":"youtube","url":"https://www.youtube.com/watch?v=52sPkAe7xFc","title":"GHK-Cu: The Peptide Everyone Is Injecting (Big Mistake?)","quote":"If you’ve seen people injecting copper peptides on TikTok, Reddit, or biohacking forums, you need to watch this before you even consider it.","link_status":"http_429","quote_status":"unverified"},{"id":"s47","type":"medical","url":"https://www.meetingpointhealth.com/blog/ghk-cu-for-skin-wound-healing-current-evidence/","title":"GHK-Cu for Skin & Wound Healing: Current Evidence","quote":"Current research supports GHK-Cu’s ability to drive tissue repair and reduce inflammation, though its use for systemic anti-aging in humans remains experimental, without large-scale clinical trials to date.","link_status":"ok","quote_status":"unverified"}]},"rationale":"auto-populate round 4","tokens_in":0,"tokens_out":0,"prev_hash":"e750f2286bb1796cffd6922ba9bdb1c4a7151be1850ac7a714bb84db5ced1a7f","hash":"d5fd5ee4021601eb142503600ad1b30b7187dba48c9d0354f198ff12630a1e5c"},{"seq":9,"id":"k10","ts":"2026-06-29T10:01:20.741Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s48","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/40672369/","title":"Exploring the beneficial effects of GHK-Cu on an experimental model of colitis and the underlying mechanisms","quote":"This study found that GHK-Cu demonstrated significant therapeutic effects in DSS-induced UC in mice. GHK-Cu may promote mucosal healing and enhance tight junction protein expression by regulating the SIRT1/STAT3 pathway.","link_status":"ok","quote_status":"verified"},{"id":"s49","type":"review","url":"https://www.nationwidepeptides.com/peptide/ghk-cu-2026-review/","title":"GHK-Cu Copper Peptide 2026 Review: Benefits, Mechanisms, Safety","quote":"As of February 15, 2026, GHK-Cu remains classified primarily as a cosmetic ingredient rather than an FDA-approved drug. No prescription formulations of copper peptide GHK-Cu have received FDA approval for any medical indication.","link_status":"ok","quote_status":"verified"},{"id":"s50","type":"reddit","url":"https://www.reddit.com/r/Biohackers/comments/1tkrmim/ghkcu_6_week_before_and_after/","title":"GHK-Cu 6 week before and after","quote":"Here is the result after six weeks. My under-eye hollowness has not disappeared completely, but it has somewhat improved.","link_status":"ok","quote_status":"unverified"}]},"rationale":"auto-populate round 1","tokens_in":0,"tokens_out":0,"prev_hash":"d5fd5ee4021601eb142503600ad1b30b7187dba48c9d0354f198ff12630a1e5c","hash":"db8b81f0bf83af917946351c81c1261037bf3c05ca63409ba81108ad3fd81ebd"},{"seq":10,"id":"k11","ts":"2026-06-29T10:01:45.831Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s51","type":"youtube","url":"https://www.youtube.com/watch?v=jUuPRcrzu80","title":"GHK-Cu - The Ultimate SKIN & Beauty Peptide 2026?!","quote":"GHKCU peptide copper peptide is extremely popular in the health and beauty space... it actually regulates gene expression","link_status":"http_429","quote_status":"unverified"},{"id":"s52","type":"reddit","url":"https://www.reddit.com/r/45PlusSkincare/comments/1naojmn/copper_peptides_after_40_how_do_they_hold_up_long/","title":"Copper peptides after 40, how do they hold up long term?","quote":"I only use GHK-CU (the copper peptide) subcutaneously. I have cycled on and off with another peptide called BPC-157 for a couple of years now.","link_status":"ok","quote_status":"unverified"},{"id":"s53","type":"reddit","url":"https://www.reddit.com/r/tressless/comments/1r1wks0/ghk_cu_is_this_the_next_best_solution_for_hairloss/","title":"GHK Cu - is this the next best solution for hairloss?","quote":"I have used ghkcu topically in the face for over a year now and I really find it to be a good collagen boosting peptide... Some of the injecting Users even talk about grey hair being reversed.","link_status":"ok","quote_status":"unverified"},{"id":"s54","type":"review","url":"https://www.insideindustry.co/post/ghk-cu-the-beauty-peptide-you-re-about-to-hear-everywhere-in-2026","title":"GHK-Cu: The “Beauty Peptide” You’re About To Hear Everywhere In 2026","quote":"a 2025 review on topical GHK as an anti-wrinkle peptide points out practical limitations (like stability and penetration) and highlights that clinical studies are surprisingly limited compared to how widely it’s promoted.","link_status":"ok","quote_status":"verified"},{"id":"s55","type":"medical","url":"https://injectco.com/ghk-cu-peptide-guide-fda-approved-dosage-where-to-buy-2026/","title":"GHK-Cu Peptide 2026: FDA Approved? Dosage & Where To Buy","quote":"GHK-Cu is NOT FDA-approved as a drug for any indication... GHK-Cu topical IS legally recognized as a cosmetic ingredient.","link_status":"ok","quote_status":"unverified"}]},"rationale":"auto-populate round 2","tokens_in":0,"tokens_out":0,"prev_hash":"db8b81f0bf83af917946351c81c1261037bf3c05ca63409ba81108ad3fd81ebd","hash":"43f668f6c957d83caea16c945120daccab031b7f65bb93556b39c9fb35b4b198"},{"seq":11,"id":"k12","ts":"2026-06-29T10:02:09.219Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s56","type":"reddit","url":"https://www.reddit.com/r/Biohackers/comments/1nnidtg/experiences_with_ghkcu_copper_tripeptide/","title":"Experiences with GHK-Cu (Copper Tripeptide)","quote":"I took it subcutaneously for about a week, and it was fine at first, but as I kept going I was encountering some crazy side effects. Insane lightheadedness, weird nerves firing around my body and head, feeling extremely strange (health wise) like I was barely clinging to consciousness.","link_status":"ok","quote_status":"unverified"},{"id":"s57","type":"reddit","url":"https://www.reddit.com/r/tressless/comments/1rqs7m1/ghkcu_peptide_injections_what_is_your_experience/","title":"GHK-Cu peptide injections - what is your experience?","quote":"I pinned 2mg/day for three months didn't notice any benefits sadly however it might be because I'm relatively young 29 it might be beneficial if you are older (No benefits on skin or hair)","link_status":"ok","quote_status":"unverified"},{"id":"s58","type":"reddit","url":"https://www.reddit.com/r/tressless/comments/1tlf37e/any_experiences_with_ghkcu_for_hair_loss/","title":"any experiences with ghk-cu for hair loss?","quote":"I'm currently using ghkcu and now after 2 weeks it pretty much completely stopped my hair loss, I'm losing like 5 hairs after showering instead of the 80 im used to.","link_status":"ok","quote_status":"unverified"},{"id":"s59","type":"reddit","url":"https://www.reddit.com/r/30PlusSkinCare/comments/1paht4r/copper_peptide_uglies/","title":"Copper peptide uglies","quote":"Sounds like an allergic reaction. Personally I cannot tolerate this product either but I am fine with other copper peptide serums with the same ...","link_status":"ok","quote_status":"unverified"},{"id":"s60","type":"x","url":"https://x.com/pepfessions/status/2071193225289764995","title":"Peptide Confessions post on topical GHK-Cu","quote":"I’ve been using topical GHK-Cu. It’s been about 6 months. ... My hair loss has decreased. My hair has noticeably thickened at my temples and along my hairline. My skin is much brighter, more radiant, and smoother.","link_status":"ok","quote_status":"unverified"},{"id":"s61","type":"x","url":"https://x.com/AntiDoc/status/1961093058977517895","title":"AntiDoc on 5mg GHK-Cu daily","quote":"5mg Ghk-cu per day experiment is still going extremely well. Hair continues to improve. ... Skin also continues to improve. Old acne discoloration is still fading. ... Joints feel completely amazing","link_status":"ok","quote_status":"unverified"},{"id":"s62","type":"youtube","url":"https://www.youtube.com/watch?v=ERb5yaBumTQ","title":"Injectable Peptides for Anti-Aging? A Dermatologist Explains","quote":"I use this peptide and yes I’m not a mouse but noticed that it did improve my brain reducing anxiety improved my sleep and helped to improve my skin firmness after 6 weeks","link_status":"http_429","quote_status":"unverified"},{"id":"s63","type":"youtube","url":"https://www.youtube.com/watch?v=ERb5yaBumTQ","title":"Injectable Peptides for Anti-Aging? A Dermatologist Explains","quote":"GHK-cu 100mg made my skin and hair super nice in just a matter of 1 month. I am on my 2nd month and loving it.","link_status":"http_429","quote_status":"unverified"}]},"rationale":"auto-populate round 3","tokens_in":0,"tokens_out":0,"prev_hash":"43f668f6c957d83caea16c945120daccab031b7f65bb93556b39c9fb35b4b198","hash":"ae2fde86db7d85dd3644add3200d4cae1ef4463767dc238ccd2ab2b74fa10f4c"},{"seq":12,"id":"k13","ts":"2026-06-29T10:03:14.001Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s64","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/39795193/","title":"Are We Ready to Measure Skin Permeation of Modern Antiaging GHK-Cu Tripeptide Encapsulated in Liposomes?","quote":"GHK-Cu is a fairly hydrophilic compound with limited permeation through the lipophilic stratum corneum. On the other hand, liposomes capable of encapsulating ...","link_status":"ok","quote_status":"unverified"},{"id":"s65","type":"review","url":"https://www.multispecialtysociety.com/community/the-aesthetic-multispecialty/articles/copper-tripeptide-ghk-cu-and/details","title":"Copper tripeptide GHK-Cu and Regenerative Aesthetics","quote":"The copper tripeptide GHK-Cu was first identified and developed by Loren Pickart in 1973 2,3 . This review explores the history, mechanisms, and ...","link_status":"ok","quote_status":"unverified"},{"id":"s66","type":"reddit","url":"https://www.reddit.com/r/USPeptides/comments/1ozk0zj/ghkcu_skin_remodeling_collagen_regeneration_acne/","title":"GHK-Cu 🧬 Skin Remodeling | Collagen Regeneration | Acne Repair (Complete Reddit Research Guide 2025)","quote":"GHK-Cu is one of those peptides that doesn’t impress you at first . Nothing dramatic happens, no instant glow, no overnight magic.","link_status":"ok","quote_status":"unverified"},{"id":"s67","type":"medical","url":"https://superpower.com/guides/ghk-cu","title":"GHK-Cu: A Copper Peptide Studied for Skin, Hair, and ...","quote":"copper tripeptide distinct from GHK-Cu ) stimulated significant hair follicle elongation (p < 0.001) and dermal papilla cell proliferation (p ...","link_status":"ok","quote_status":"unverified"},{"id":"s68","type":"other","url":"https://peptideslabuk.com/is-ghk-cu-worth-the-hype/","title":"Is GHK-Cu Worth the Hype? UK 2026 Honest Review","quote":"GHK-Cu is one of the most studied copper tripeptides. It is not a medicine, not for human or veterinary use,","link_status":"ok","quote_status":"unverified"},{"id":"s69","type":"medical","url":"https://grandingredients.com/copper-peptides-clinical-benefits/","title":"GHK Cu Peptide | Clinical Evidence & Skin Benefits 2025","quote":"A 2025 Japanese trial using 0.02 % peptide lotion observed a 7 % increase in hair count after 16 weeks, likely due to anti-inflammatory and vasodilatory effects ...","link_status":"ok","quote_status":"unverified"},{"id":"s70","type":"reddit","url":"https://www.reddit.com/r/HimsStock/comments/1rferff/hims_and_peptides_like_ghkcu/","title":"HIMS and peptides like ghk-cu","quote":"I completely agree, my big question is this: they acquired the facility February 2025 .... Why haven't they started manufacturing GHK - CU and BP-157 ...","link_status":"ok","quote_status":"unverified"}]},"rationale":"auto-populate round 1","tokens_in":0,"tokens_out":0,"prev_hash":"ae2fde86db7d85dd3644add3200d4cae1ef4463767dc238ccd2ab2b74fa10f4c","hash":"16022c938c28aa779d33b7c92d4e2fb3bc9ed11dc0b3c25df27a89c04ebba8f3"},{"seq":13,"id":"k14","ts":"2026-06-29T10:03:35.113Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s71","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/41371501/","title":"Golgi-targeted copper delivery strategy via enhancing ...","quote":"In this system, GHK-Cu serves as a stable copper source to provide a sustained release of Cu ions for cellular uptake, while lipid nanoparticles (LNPs) are used ...","link_status":"ok","quote_status":"unverified"},{"id":"s72","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/40123442/","title":"Copper Complexes with New Glycyl-l-histidyl-l-lysine ...","quote":"In recent years, hyaluronic acid (HA) and the natural tripeptide glycyl-l-histidyl-l-lysine (GHK), especially its copper(II) complex ( GHK-Cu ), individually have ...","link_status":"ok","quote_status":"unverified"},{"id":"s73","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/41476424/","title":"Injectable Peptide Therapy: A Primer for Orthopaedic and ...","quote":"GHK-Cu showed promise in wound healing and anti-inflammatory effects, but no clinical data support its use for musculoskeletal conditions.","link_status":"ok","quote_status":"verified"},{"id":"s74","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/41490200/","title":"Therapeutic Peptides in Orthopaedics: Applications, ...","quote":"Wound-healing peptides such as BPC-157, TB-500, and GHK-Cu promote angiogenesis...","link_status":"ok","quote_status":"unverified"},{"id":"s75","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/41966639/","title":"Safety and Efficacy of Approved and Unapproved Peptide ...","quote":"GHK-Cu (glycyl-L-histidyl-L-lysine copper)...","link_status":"ok","quote_status":"unverified"},{"id":"s76","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/41001334/","title":"Efficacy and Safety Assessment of ThriveCo Scar Fader ...","quote":"... copper tripeptide -1, L-carnitine L-tartrate...","link_status":"ok","quote_status":"unverified"},{"id":"s77","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/42123471/","title":"Therapeutic Peptides in Aesthetic, Metabolic and ...","quote":"Keywords: BPC-157; CJC-1295; GHK-Cu ; GLP-1 analogues...","link_status":"ok","quote_status":"unverified"},{"id":"s78","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/41594073/","title":"Smart Healing for Wound Repair: Emerging Multifunctional ...","quote":"... bioactive peptides (such as GHK-Cu and antimicrobial peptides)...","link_status":"ok","quote_status":"unverified"},{"id":"s79","type":"reddit","url":"https://www.reddit.com/r/HairlossResearch/comments/1k3lgke/ghkcu_ahkcu_update/","title":"Ghk-cu / ahk-cu update","quote":"I have been using ghk and bpc daily subq for 2 months and just added in ahk-cu topical this past month and the ahk was a game changer . Hair is thicker , seeing new hairs almost daily...","link_status":"ok","quote_status":"unverified"},{"id":"s80","type":"youtube","url":"https://www.youtube.com/watch?v=veqDr44p8L0","title":"Dr. Admits - I Was WRONG AGAIN About GHK-Cu","quote":"Discover why GHK-Cu is the ultimate \"software update\" for the human body...","link_status":"http_429","quote_status":"unverified"}]},"rationale":"auto-populate round 2","tokens_in":0,"tokens_out":0,"prev_hash":"16022c938c28aa779d33b7c92d4e2fb3bc9ed11dc0b3c25df27a89c04ebba8f3","hash":"cb5137f5e8f977ae22c049ac11283a55fde8fb482e1bcb2c2d19bdab58329c53"},{"seq":14,"id":"k15","ts":"2026-06-29T10:03:54.427Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s81","type":"reddit","url":"https://www.reddit.com/r/40and45PlusSkinCare/comments/1peq7xj/what_benefits_do_you_get_from_using_copper/","title":"What benefits do you get from using copper peptides?","quote":"I inject ghk-cu at 2-3mg per day. It’s helped my skin sagging from weight loss, but honestly the primary benefit has been my hair. It’s full and bouncy and no longer thinning. Baby hairs started to grow back in.","link_status":"ok","quote_status":"unverified"},{"id":"s82","type":"reddit","url":"https://www.reddit.com/r/SkincareAddictionLux/comments/1qh4uka/what_is_a_good_ghkcu_serum/","title":"What is a good gHK-cu serum?","quote":"I really like power peptides from Geek and Gorgeous. It’s really nice and a good price.","link_status":"ok","quote_status":"unverified"},{"id":"s83","type":"reddit","url":"https://www.reddit.com/r/SkincareAddiction/comments/1rjgn2q/product_question_advice_on_buying_ghkcu_topical/","title":"[Product Question] advice on buying ghk-cu topical copper peptide","quote":"With copper peptides the bigger thing to watch is how reactive your skin already is, because they’re often combined with other actives in the formula.","link_status":"ok","quote_status":"unverified"},{"id":"s84","type":"x","url":"https://x.com/jeremystandifor/status/2071379648068419785","title":"X post on GHK-Cu hangover effects","quote":"Wow. One thing I noticed was that hangovers from drinking are far less severe on ghk-cu. I can still tell I drank the night before, but the hangover feels more like it did when I was younger.","link_status":"ok","quote_status":"verified"},{"id":"s85","type":"x","url":"https://x.com/barryharrddy/status/2071332122665930980","title":"X post comparing GHK-Cu to minoxidil","quote":"Ghk cu and ahk cu have similar effects of min without bad side effects. Just believe in the peptides brah.","link_status":"ok","quote_status":"verified"}]},"rationale":"auto-populate round 3","tokens_in":0,"tokens_out":0,"prev_hash":"cb5137f5e8f977ae22c049ac11283a55fde8fb482e1bcb2c2d19bdab58329c53","hash":"5f36f4badf9baa2a8d92492c9481e7fad1420b49cc8494d44f5f0df1a72658d9"},{"seq":15,"id":"k16","ts":"2026-06-29T10:04:17.982Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s86","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/42041438/","title":"The Laccase-like Property of GHK-Cu and Its Applications in Colorimetric Sensing of Phenolic Compounds","quote":"In this study, the laccase-like property of copper peptide (GHK-Cu) has been revealed. In terms of enzymatic reaction kinetics, GHK-Cu has a V max of 1.735 × 10 -4 mM·s -1 and a K m of 0.061 mM, demonstrating good substrate affinity and excellent catalytic efficiency.","link_status":"ok","quote_status":"unverified"},{"id":"s87","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/39902373/","title":"Food-Derived Tripeptide-Copper Self-Healing Hydrogel for Infected Wound Healing","quote":"Subsequently, a natural active peptide, glycyl-l-histidyl-l-lysine-Cu (GHK-Cu), was loaded, and an all-natural composite hydrogel dressing, EW/OKGM@GHK-Cu (GEK), was developed. 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Super clean formulation and I think it literally only contains: Aqua, Sodium Hyaluronate, Vegetable Glycerin, GHK-Cu, Phenoxyethanol and Ethylhexylglycerin.","link_status":"ok","quote_status":"unverified"}]},"rationale":"auto-populate round 4","tokens_in":0,"tokens_out":0,"prev_hash":"5f36f4badf9baa2a8d92492c9481e7fad1420b49cc8494d44f5f0df1a72658d9","hash":"cfdf55f983217a6aa1e064238b50077cc482a54a8ea212f9e74c84833ce6dae5"},{"seq":16,"id":"k17","ts":"2026-06-29T10:05:12.925Z","model":"grok-4.3","role":"source_hunt","action":"sources","payload":{"added":[{"id":"s89","type":"medical","url":"https://www.dermatologytimes.com/view/q-a-optimizing-copper-peptide-through-next-generation-delivery","title":"Q&A: Optimizing Copper Peptide Through Next-Generation Delivery","quote":"As interest in biomimetic ingredients continues to accelerate within professional skin care, copper peptides—particularly the naturally occurring tripeptide GHK-Cu—have re-emerged as a focus of clinical and formulary innovation.","link_status":"http_403","quote_status":"unverified"},{"id":"s90","type":"medical","url":"https://freemedicaljournals.com/blog/ghk-cu-peptide-injection-before-and-after/","title":"GHK-Cu Peptide Injection Before and After","quote":"GHK-Cu (glycyl-L-histidyl-L-lysine copper) is a naturally occurring copper peptide first identified in human plasma.","link_status":"ok","quote_status":"unverified"},{"id":"s91","type":"reddit","url":"https://www.reddit.com/r/SkincareAddictionUK/comments/1qaoy9k/copper_peptide_supplements/","title":"Copper peptide supplements?","quote":"I've recently seen a lot of discussion online about copper peptides, particularly GHK-CU. 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