Nonapetide-1

Whitening and Spot Lightening
Nonapeptide-1 competitively antagonizes the MC1 receptor on melanocytes, inhibiting the binding of α-melanocyte-stimulating hormone to the receptor, thereby blocking a key pathway for melanin production. This mechanism manifests itself in skincare products by reducing the formation of dark spots and brightening the skin tone. It is commonly found in whitening serums and creams.

Moisturizing and Repairing
Nonapeptide-1's ability to hydrolyze sodium hyaluronate improves the skin's microenvironment, enhancing skin absorption and aiding moisturization. Some products combine nonapeptide-1 with other active ingredients (such as glabridin) for synergistic moisturizing effects.

Anti-Wrinkle Repair
Nonapeptide-1 promotes collagen regeneration in scar tissue, helping to reduce fine lines and repair skin damage. It is commonly used in anti-wrinkle serums and body care products.