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Dermal-matrix and formulation peptides for topical and cosmetic studies. Every batch verified for identity and 99%+ purity by HPLC and mass spectrometry.
3 products
50MG / vial · ≥ 99% purity
100MG / vial · ≥ 99% purity
10MG / vial · ≥ 99% purity
"Cosmetic peptides" is the research field's name for peptides studied in skin, follicle, and connective-tissue laboratory models — in vitro and ex vivo systems, not finished cosmetic products. This category contains four NUPEPS PEPTIDES research materials: the copper tripeptides GHK-Cu (50MG and 100MG) and AHK-Cu 50MG, and the octapeptide SNAP-8 10MG. The copper tripeptides anchor the category: GHK-Cu is one of the most frequently requested compounds in our catalog, and the family's published record — fibroblast collagen and glycosaminoglycan studies, keratinocyte and skin-equivalent models, hair-follicle organ culture — is the context in which laboratories design work with all three materials.
The central comparison is between the two copper tripeptides. GHK-Cu and AHK-Cu differ by a single N-terminal amino acid (glycine versus alanine), share the same copper-binding His-Lys core, and have very different evidence bases: GHK-Cu has been studied since the 1970s, while AHK-Cu's direct record rests on a single hair-follicle study. Our AHK-Cu research guide keeps the two records separate and reviews what each molecule's literature does and does not show. SNAP-8 belongs to a different mechanistic family — an eight-amino-acid peptide studied in laboratory models of peptide signaling — and is typically compared on study-design grounds rather than against the copper compounds.
A copper tripeptide is a metallopeptide: the specified material is the peptide–copper complex, not the peptide alone. A complete batch COA therefore has three parts — reversed-phase HPLC for purity (NUPEPS PEPTIDES specifies ≥99%), mass spectrometry confirming the complex's expected mass, and verification that the copper is bound as specified, since material that has lost its metal will not always show the difference on a chromatogram. Our guides to how peptide testing labs verify purity and identity and how to choose a peptide supplier detail these checks.
All products in this category are supplied strictly for laboratory and in-vitro research use only. Not for human or veterinary use.
