Skin & Cosmetic peptides
Cosmetic peptides are investigated for melanogenesis, collagen synthesis, and dermal repair. Several originated as fragments of larger signalling molecules and are now studied specifically for skin- and appearance-related endpoints.
AHK-Cu
Well studiedHair Growth Copper Peptide | Dermal Papilla Stimulator
Synthetic copper-binding tripeptide targeting dermal papilla cells and hair follicles.
GHK-Cu
Extensively studiedCopper-binding peptide for skin & repair
GHK-Cu is a naturally occurring copper-binding tripeptide extensively studied and widely used in skincare for collagen stimulation, wound healing, and tissue remodelling.
Glow Protocol
Limited researchMulti-Peptide Skin Rejuvenation Complex
Combination featuring BPC-157, TB-500, and GHK-Cu marketed for skin rejuvenation and anti-aging.
Melanotan I
FDA-approvedMelanocortin Receptor Agonist
Synthetic analog of α-MSH that selectively targets MC1 receptors for melanin stimulation. FDA-approved as SCENESSE implant for erythropoietic protoporphyria (EPP).
Melanotan II
PreclinicalMelanocortin agonist studied for pigmentation
Melanotan II is a synthetic cyclic analog of α-MSH that activates melanocortin receptors, studied for skin pigmentation (tanning) and, via MC4R, libido — but it is unapproved and carries notable safety concerns.
SNAP-8
Well studiedAcetyl Octapeptide-3 | Anti-Wrinkle & Expression Line Peptide
Synthetic octapeptide functioning as topical Botox alternative, targeting dynamic facial wrinkles through SNARE complex modulation. Up to 63% wrinkle depth reduction demonstrated clinically.