Folic acid, also known as vitamin B9, plays a crucial role in skin health. This essential nutrient is involved in DNA synthesis and cellular repair, helping to maintain the skin in optimal condition. In cosmetics, folic acid is used for its moisturizing properties and its ability to improve the radiance and evenness of the complexion. As part of advanced formulations, folic acid is used to promote cellular regeneration, providing notable benefits for radiant and healthy skin.