{"title":"Skin, hair \u0026 blends","description":null,"products":[{"product_id":"ghk-cu","title":"GHK-Cu","description":"\u003ch1 dir=\"ltr\"\u003e\u003cstrong\u003eGHK-Cu 50 mg Copper Research Peptide\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv dir=\"ltr\" align=\"left\"\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"180\"\u003e\n\u003ccol width=\"444\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAlternate name\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCopper tripeptide-1; prezatide copper; GHK copper\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCompound class\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCopper(II) peptide complex (tripeptide)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFormat\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eLyophilized powder in a sealed vial\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eStrength(s)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e50 mg per vial\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSequence\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGly-His-Lys (GHK), complexed with copper(II)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMolecular formula\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eC14H23CuN6O4+ (prezatide copper, 1:1 complex, PubChem; counter-ion not included)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMolecular weight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e402.92 g\/mol (prezatide copper, PubChem; counter-ion not included)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCAS number\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e89030-95-5 (prezatide copper, PubChem)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePurity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eStated per lot on the Certificate of Analysis\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eManufacturer\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePEPTYVA, Mexico\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat is GHK-Cu?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGHK-Cu is a copper peptide: the tripeptide glycyl-L-histidyl-L-lysine (GHK) bound to copper(II). It is supplied here as a PEPTYVA 50 mg vial for laboratory research use only. This vial is not a medicine or a cosmetic, and it is not intended for use in people.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGHK occurs naturally in human plasma, saliva and urine. Loren Pickart and M. M. Thaler first reported the tripeptide in human serum in 1973, in work on liver cells, and Pickart's group later published several reviews of its role in skin research. In cosmetic products, the copper complex is listed under the ingredient name copper tripeptide-1.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eHow is GHK-Cu studied in research?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGHK-Cu is studied mostly in cell cultures, animal wound models and cosmetic skin products. A 2015 review by Pickart and colleagues describes laboratory reports that GHK influences both the synthesis and breakdown of collagen and glycosaminoglycans, modulates metalloproteinases and their inhibitors, and attracts immune and endothelial cells. It also summarizes wound studies in rats, mice and pigs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThese reviews also discuss gene expression data. Such findings describe mechanisms under investigation; they do not establish effects in people.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat do human studies of topical GHK-Cu show?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eHuman data come mainly from small studies of skin care products applied to the skin. In a 2006 randomized study, 13 adults completed follow-up after CO2 laser resurfacing. On objective assessment, products containing GHK-Cu showed no significant difference from the comparison regimen in redness, wrinkles or overall skin quality, although participant-rated satisfaction was higher in the GHK-Cu group.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eA larger Phase 2 clinical trial (NCT07437586) began recruiting in February 2026. It compares a topical GHK-Cu gel with a matching vehicle gel on standardized skin wounds in an estimated 60 healthy adults, with completion estimated for 2028. No findings had been posted as of October 2026.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eDoes topical evidence apply to this vial?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNo. Findings on cosmetic creams and gels do not transfer to other forms or routes. FDA lists GHK-Cu for injectable routes of administration among bulk drug substances previously in category 2 whose compounding nominations were withdrawn. FDA notes possible immunogenicity from aggregation and peptide-related impurities, and states that there are limited data in humans to inform safety.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eHow does GHK-Cu differ from AHK-Cu?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBoth are copper(II) complexes of short peptides that end in histidine and lysine. GHK-Cu starts with glycine and occurs naturally in human plasma, while AHK-Cu starts with alanine. GHK-Cu has the larger research base, including small topical human studies, whereas published AHK-Cu work is limited to laboratory hair follicle models. Data on one compound should not be transferred to the other.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat is the regulatory status of GHK-Cu?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGHK-Cu is not an FDA-approved drug; it appears in cosmetic products under the name copper tripeptide-1. In Mexico, this vial is supplied only as research-use-only material and is not sold as a registered medicine or as a cosmetic. Our regulatory framework page explains how COFEPRIS registration works and why research material is kept separate from registered products.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eDocumentation\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEach vial carries a PEPTYVA lot number. Ask for the Certificate of Analysis (COA) for your lot before you order; a COA typically lists identity testing, purity, appearance, lot number and dates. For GHK-Cu, the COA is also the reference for the salt form and copper content.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eStorage and handling\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eKeep the unopened vial sealed in its original packaging, away from light, heat and moisture, and store it as stated on the PEPTYVA label ([STORAGE TEMPERATURE: CONFIRM WITH PEPTYVA]). Check the label and lot number when the package arrives.\u003c\/span\u003e\u003c\/p\u003e","brand":"peptides","offers":[{"title":"50 mg \/ C","offer_id":46528761364676,"sku":null,"price":1660.0,"currency_code":"MXN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/8424\/2884\/files\/GHK-Cu.jpg?v=1792784908"},{"product_id":"glow70","title":"Glow","description":"\u003ch1 dir=\"ltr\"\u003e\u003cstrong\u003eGlow 70 mg Research Peptide Blend\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv dir=\"ltr\" align=\"left\"\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"180\"\u003e\n\u003ccol width=\"444\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAlternate name\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGLOW 70\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCompound class\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFixed blend of three synthetic peptides, one of them a copper(II) peptide complex\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFormat\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eLyophilized powder blend in a sealed vial\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eStrength(s)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e70 mg per vial: GHK-Cu 50 mg, BPC-157 10 mg, TB-500 10 mg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSequence\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNot applicable to the blend. GHK-Cu: Gly-His-Lys with copper(II). BPC-157: GEPPPGKPADDAGLV. TB-500: not listed by the supplier (FDA describes TB-500 as the fragment LKKTETQ).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMolecular formula\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNot applicable (blend); see each component page\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMolecular weight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNot applicable (blend)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCAS number\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNot applicable (blend)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePurity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eStated per lot on the Certificate of Analysis\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eManufacturer\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePEPTYVA, Mexico\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat is Glow (GLOW 70)?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGlow, sold by PEPTYVA as GLOW 70, is a fixed blend of three peptides in one 70 mg vial: GHK-Cu 50 mg, BPC-157 10 mg and TB-500 10 mg. It is supplied for laboratory research use only. This vial is not a medicine or a cosmetic, and it is not intended for use in people.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEach component has its own, separate literature, summarized below. No published study has evaluated this finished blend, so evidence for any single component is not evidence for Glow. On their own product pages, GHK-Cu carries grade C, and BPC-157 and TB-500 carry grade D. Those grades do not carry over to a mixture, so the blend is graded E.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat does research show for GHK-Cu?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGHK-Cu, the largest component by weight, is the copper(II) complex of the tripeptide glycyl-histidyl-lysine. GHK occurs naturally in human plasma. A 2015 review by Pickart and colleagues describes cell culture, animal wound and cosmetic product research on it. Human data come mainly from small studies of topical skin products, and FDA notes limited human data to inform the safety of injectable GHK-Cu. Topical findings do not transfer to other forms or routes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat does research show for BPC-157?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBPC-157 is a synthetic 15-amino-acid peptide studied mostly in rodent injury models and cell cultures. A 2026 systematic review found only three human studies, with 30 participants in total, all of poor methodological quality, and rated the certainty of the evidence as very low. Effects in people are not established.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat does research show for TB-500?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFDA describes TB-500 as the thymosin beta-4 fragment LKKTETQ, and PEPTYVA describes it as a synthetic fragment related to that region. A 2026 orthopaedic review states that TB-500 is a distinct seven-amino-acid fragment that is often confused with full-length thymosin beta-4, without validated equivalence between the two. FDA reports no identified human exposure data for drug products containing the fragment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eHas the Glow blend itself been studied?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNo. We found no published study and no registered study of this three-component blend (searches in October 2026). The closest data come from a 2026 rat Achilles tendon study that tested BPC-157, TB-500 and the two together. It reported no added effect from the pair compared with either peptide alone, and it did not include GHK-Cu. A two-peptide rat study cannot stand in for a three-peptide vial.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNo published data describe how the three components interact in one vial or how stable they are together. Grade E means exactly this: direct evidence for this exact blend is not available.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat is the regulatory status of Glow?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNeither the blend nor any of its components is an FDA-approved drug. FDA's page on bulk drug substances that may present significant safety risks lists BPC-157, TB-500 (thymosin beta-4 fragment LKKTETQ) and GHK-Cu for injectable routes among substances previously in category 2 whose compounding nominations were withdrawn. In Mexico, Glow is supplied only as research-use-only material, not as a registered medicine or a cosmetic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eDocumentation\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEach vial carries a PEPTYVA lot number. Ask for the Certificate of Analysis (COA) for your lot before you order; a COA typically lists identity testing, purity, appearance, lot number and dates. For a blend, ask how the COA confirms each of the three components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eStorage and handling\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eKeep the unopened vial sealed in its original packaging, away from light, heat and moisture, and store it as stated on the PEPTYVA label ([STORAGE TEMPERATURE: CONFIRM WITH PEPTYVA]). Check the label and lot number when the package arrives.\u003c\/span\u003e\u003c\/p\u003e","brand":"peptides","offers":[{"title":"70 mg \/ E","offer_id":46528763166916,"sku":null,"price":5960.0,"currency_code":"MXN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/8424\/2884\/files\/Glow70.jpg?v=1792787285"},{"product_id":"ahk-cu","title":"AHK-Cu","description":"\u003ch1 dir=\"ltr\"\u003e\u003cstrong\u003eAHK-Cu 10 mg Copper Research Peptide\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #e0e0e0; font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; background-color: #f4f6f8; width: 35%;\"\u003eAlternate name\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; background-color: #ffffff;\"\u003eAlanyl-histidyl-lysine copper(II); AHK copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; background-color: #f4f6f8;\"\u003eCompound class\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; background-color: #ffffff;\"\u003eCopper(II) peptide complex (tripeptide)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; background-color: #f4f6f8;\"\u003eFormat\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; background-color: #ffffff;\"\u003eLyophilized powder in a sealed vial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; background-color: #f4f6f8;\"\u003eStrength(s)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; background-color: #ffffff;\"\u003e10 mg per vial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; background-color: #f4f6f8;\"\u003eSequence\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; background-color: #ffffff;\"\u003eAla-His-Lys (AHK), complexed with copper(II)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; background-color: #f4f6f8;\"\u003eMolecular formula\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; background-color: #ffffff;\"\u003eNot listed for the copper complex in this lot. AHK peptide alone: C15H26N6O4 (PubChem)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; background-color: #f4f6f8;\"\u003eMolecular weight\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; background-color: #ffffff;\"\u003eNot listed for the copper complex. AHK peptide alone: 354.41 g\/mol (PubChem)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; background-color: #f4f6f8;\"\u003eCAS number\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; background-color: #ffffff;\"\u003e682809-81-0 (PubChem record for AHK-Cu, monohydrochloride form)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; background-color: #f4f6f8;\"\u003ePurity\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; background-color: #ffffff;\"\u003eStated per lot on the Certificate of Analysis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; background-color: #f4f6f8;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; background-color: #ffffff;\"\u003ePEPTYVA, Mexico\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat is AHK-Cu?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAHK-Cu is a copper peptide: the tripeptide L-alanyl-L-histidyl-L-lysine (AHK) bound to copper(II). It is supplied here as a PEPTYVA 10 mg vial for laboratory research use only. This vial is not a medicine or a cosmetic, and it is not intended for use in people.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePubChem lists the AHK peptide with the formula C15H26N6O4 and a molecular weight of 354.41 g\/mol. It also holds a separate AHK-Cu record in monohydrochloride form under CAS 682809-81-0. The exact copper complex and salt form of each lot should be read on its Certificate of Analysis (COA).\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eHow is AHK-Cu studied in research?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAHK-Cu has been studied in hair follicle and dermal papilla models. The main published study is a 2007 laboratory paper from the Department of Dermatology at Seoul National University. The authors built on earlier work describing tripeptide-copper complexes as growth factors for several differentiated cell types, including dermal fibroblasts. They tested AHK-Cu on human hair follicles kept alive outside the body (ex vivo) and on cultured dermal papilla cells, the specialized fibroblasts at the base of the follicle that are involved in follicle growth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eHair follicle elongation ex vivo and dermal papilla cell proliferation were greater with AHK-Cu than without it.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eMarkers of programmed cell death shifted in dermal papilla cells: the Bcl-2 to Bax ratio rose, and cleaved caspase-3 and PARP fell.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eThe fall in the number of apoptotic cells itself was not statistically significant.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat do these laboratory findings mean?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThey describe a mechanism under investigation in isolated tissue and cells. Cultured follicles and cell lines do not reproduce the conditions of living skin, and a single laboratory study has not been independently repeated in the published literature we found. The findings do not show an effect on hair in people.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat does the current human evidence show?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWe found no published human studies of AHK-Cu in a PubMed search in October 2026. Effects in people, including on hair, are not established. Any future human data would need to come from controlled studies of AHK-Cu itself. That is why this product carries evidence grade D, which means the evidence comes mainly from cell, animal or mechanistic studies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eHow does AHK-Cu differ from GHK-Cu?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBoth are copper(II) complexes of tripeptides that end in histidine and lysine. AHK-Cu starts with alanine, while GHK-Cu starts with glycine. GHK occurs naturally in human plasma and has a much larger body of research, reviewed by Pickart and colleagues. Findings on GHK-Cu should not be transferred to AHK-Cu, because a change in one amino acid can change how a peptide behaves.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat is the regulatory status of AHK-Cu?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAHK-Cu is not an FDA-approved drug. It does not appear on FDA's April 2026 page of bulk drug substances with potential significant safety risks; that absence is not an approval or a safety finding. In Mexico, this vial is supplied only as research-use-only material, not as a registered medicine or a cosmetic. Our regulatory framework page explains how COFEPRIS registration works.\u003c\/span\u003e\u003c\/p\u003e","brand":"Peptides Vallarta","offers":[{"title":"10 mg \/ D","offer_id":47106182709444,"sku":"PV-AHKCU-10MG","price":1660.0,"currency_code":"MXN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/8424\/2884\/files\/product1.jpg?v=1786743234"},{"product_id":"klow-80","title":"Klow","description":"\u003ch1 dir=\"ltr\"\u003e\u003cstrong\u003eKlow 80 mg Research Peptide Blend\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv dir=\"ltr\" align=\"left\"\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"180\"\u003e\n\u003ccol width=\"444\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAlternate name\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eKLOW 80\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCompound class\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFixed blend of four synthetic peptides, one of them a copper(II) peptide complex\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFormat\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eLyophilized powder blend in a sealed vial\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eStrength(s)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e80 mg per vial: GHK-Cu 50 mg, BPC-157 10 mg, TB-500 10 mg, KPV 10 mg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSequence\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNot applicable to the blend. GHK-Cu: Gly-His-Lys with copper(II). BPC-157: GEPPPGKPADDAGLV. TB-500: not listed by the supplier (FDA describes TB-500 as the fragment LKKTETQ). KPV: Lys-Pro-Val.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMolecular formula\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNot applicable (blend); see each component page\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMolecular weight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNot applicable (blend)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCAS number\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNot applicable (blend)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePurity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eStated per lot on the Certificate of Analysis\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eManufacturer\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePEPTYVA, Mexico\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat is Klow (KLOW 80)?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eKlow, sold by PEPTYVA as KLOW 80, is a fixed blend of four peptides in one 80 mg vial: GHK-Cu 50 mg, BPC-157 10 mg, TB-500 10 mg and KPV 10 mg. It is supplied for laboratory research use only. This vial is not a medicine or a cosmetic, and it is not intended for use in people.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eKlow holds the same three components as Glow in the same amounts, with KPV added. Each component is summarized separately below. No published study has evaluated the finished four-part blend, so no component's evidence can be read as evidence for Klow.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat is KPV, the component that sets Klow apart?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eKPV is the tripeptide Lys-Pro-Val. It corresponds to amino acids 11 to 13, the C-terminal end, of alpha-melanocyte-stimulating hormone (alpha-MSH), and it has been studied for anti-inflammatory signaling without the pigment effects of the full hormone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIn a 2008 study using two mouse models of colitis, KPV reduced inflammatory cell infiltrates and myeloperoxidase activity in the colon, and the effects appeared to be at least partly independent of the melanocortin-1 receptor. FDA states that it has not identified any human exposure data on drug products containing KPV, by any route.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat does research show for the other three components?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe remaining 70 mg matches the Glow blend. Each component has its own, limited literature.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eGHK-Cu (50 mg): the copper(II) complex of glycyl-histidyl-lysine, a tripeptide found in human plasma. Reviews by Pickart and colleagues describe cell, animal and cosmetic product research; FDA notes limited human safety data for injectable GHK-Cu.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eBPC-157 (10 mg): a synthetic 15-amino-acid peptide studied mainly in rodent injury models. A 2026 orthopaedic review found human musculoskeletal data limited to one small uncontrolled case series.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTB-500 (10 mg): FDA describes it as the thymosin beta-4 fragment LKKTETQ. The same review cautions that it is distinct from full-length thymosin beta-4, and FDA reports no identified human exposure data.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eHas the Klow blend itself been studied?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNo. We found no published or registered study of the four-component Klow blend (searches in October 2026). The nearest data come from a 2026 rat Achilles tendon study of BPC-157 and TB-500, alone and together, which reported no added effect from the pair over either peptide alone. That study tested neither GHK-Cu nor KPV, so it says nothing about the full blend.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eHow the four components behave together in one vial, including their stability, has not been described in the literature. This is the basis for evidence grade E: direct evidence for this exact blend is not available.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat is the regulatory status of Klow?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNone of the four components is an FDA-approved drug. FDA's page on bulk drug substances that may present significant safety risks lists BPC-157, TB-500 (thymosin beta-4 fragment LKKTETQ), GHK-Cu for injectable routes and KPV among substances previously in category 2 whose compounding nominations were withdrawn. In Mexico, Klow is supplied only as research-use-only material, not as a registered medicine or a cosmetic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eDocumentation\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEach vial carries a PEPTYVA lot number. Ask for the Certificate of Analysis (COA) for your lot before you order; a COA typically lists identity testing, purity, appearance, lot number and dates. For a four-part blend, ask how the COA confirms each component.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eStorage and handling\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eKeep the unopened vial sealed in its original packaging, away from light, heat and moisture, and store it as stated on the PEPTYVA label ([STORAGE TEMPERATURE: CONFIRM WITH PEPTYVA]). Check the label and lot number when the package arrives.\u003c\/span\u003e\u003c\/p\u003e","brand":"peptides","offers":[{"title":"80 mg \/ E","offer_id":47109156962500,"sku":null,"price":6060.0,"currency_code":"MXN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/8424\/2884\/files\/Klow_80.jpg?v=1792787377"}],"url":"https:\/\/peptidesvallarta.com\/es\/collections\/skin-hair-blends.oembed","provider":"Peptides Vallarta","version":"1.0","type":"link"}