Nonapeptide-1, also known as Melanostatine-5, is a synthetic peptide designed to inhibit melanin production in the skin. It works by targeting the enzymatic pathway responsible for melanin synthesis, making it an effective ingredient in skin-brightening and anti-pigmentation products. Nonapeptide-1 is widely used in cosmetics to promote an even skin tone and reduce hyperpigmentation.Nonapeptide-1 is a highly effective and gentle skin-brightening ingredient, widely used to reduce hyperpigmentation, promote an even complexion, and prevent the formation of new dark spots, making it ideal for anti-pigmentation and brightening skincare products. Active Substances Contained 1. Nonapeptide-1 A nine-amino-acid peptide that inhibits the activity of tyrosinase, the enzyme responsible for melanin production. 2. Complementary Ingredients (in formulations) Often combined with other skin-brightening agents like niacinamide, vitamin C, or arbutin to enhance overall efficacy. Specific Effects 1. Inhib…