Vitamin C is an essential nutrient and antioxidant widely used in skincare due to its numerous benefits. In cosmetics, it is valued as an ingredient that helps brighten the complexion, reduce the appearance of hyperpigmentation spots, and protect the skin from free radicals. It is commonly found in serums, creams and other skincare products, where it contributes to hydration, regeneration and the maintenance of a youthful-looking skin.