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Explore research-backed breakdowns of each peptide — mechanisms, benefits, typical protocols, and notable studies. Search or filter by category to find what you need.
6 peptides
A naturally occurring copper-binding tripeptide (glycyl-L-histidyl-L-lysine) widely researched for skin regeneration, collagen synthesis, and wound healing. Common in topical cosmetics.
A synthetic melanocortin agonist that stimulates melanin production for tanning, with notable secondary effects on libido and appetite. Non-selective across melanocortin receptors.
A selective MC1R-favoring melanocortin agonist approved (as Scenesse/afamelanotide) to reduce phototoxicity in erythropoietic protoporphyria. More selective for pigmentation than Melanotan II.
Melanostatin DM is a topical nonapeptide marketed as a skin-brightening agent that reduces melanin production. It is studied for evening skin tone and lightening hyperpigmentation.
Nonapeptide-1 is a nine-amino-acid cosmetic peptide that inhibits melanin formation by antagonizing the melanocortin-1 receptor. It is used topically for skin brightening and pigment control.
Alpha-melanocyte-stimulating hormone (alpha-MSH) is an endogenous tridecapeptide derived from proopiomelanocortin that regulates skin pigmentation. It is the natural peptide behind melanocortin-driven tanning and also influences appetite and inflammation.