Melanostatine 98% cas:158563-45-2

"Oligopeptide-1", is a signal peptide composed of nine amino acids. Its mechanism of action is highly distinctive, as it directly intervenes at the upstream pathway of melanin synthesis.

Key Functions & Mechanism:

Inhibits Melanin at the Source: The amino acid sequence of Nonapeptide-1 closely resembles a part of α-Melanocyte-Stimulating Hormone (α-MSH). α-MSH is one of the key "master switch" signals that triggers melanin production. Nonapeptide-1 works by competitively binding to the MC1R receptors on the surface of melanocytes. Like a "fake key," it occupies the binding site first, thereby blocking the "start producing melanin" command issued by α-MSH.

Lightens Dark Spots & Evens Skin Tone: By reducing melanin production at its source, it effectively prevents and lightens existing dark spots and potential pigmentation caused by UV exposure or inflammation, resulting in a more even and radiant complexion.

High Specificity & Mildness: Its action is highly cell-specific, primarily targeting melanocytes without disrupting normal cell metabolism. Therefore, it is generally considered gentler and safer than some traditional whitening ingredients (like hydroquinone), making it suitable for long-term use.