Tyrosine(300 Ppm)

Tyrosine is a non-essential amino acid naturally found in the body and in many protein-containing foods. In cosmetics, it appears in a wide range of formulations including vitamin C serums, tanning products, and anti-aging moisturizers. It is listed at a concentration of 300 ppm in this context. The source page does not provide detailed mechanistic or functional information about its role in cosmetic formulations.