Matrixyl
Topical collagen-stimulating cosmetic peptide.
Category: Skin
Argireline
Topical muscle-relaxing cosmetic peptide.
GHK-Cu
Collagen synthesis, wound healing, dermatologic use.
Palmitoyl tripeptide-1
Cosmetic collagen-stimulating peptide.
Palmitoyl tetrapeptide-7
Anti-inflammatory cosmetic peptide.
Copper tripeptide-1
Topical formulation of GHK-Cu for cosmetic use.
Acetyl tetrapeptide-3
Hair follicle peptide for hair density.
Bimatoprost
Prostaglandin analog for eyelash growth.
Melanotan I
Melanocortin analog approved for erythropoietic protoporphyria.
Melanotan II
Melanocortin agonist for pigmentation and libido; significant safety concerns.