Cosmetic active ingredients are chemical substances in cosmetics that have specific functions and effects. These ingredients can repair, protect, nourish and improve the skin, thereby achieving beauty, anti-aging and skin care. Common cosmetic active ingredients, such as retinol, hyaluronic acid and green tea extract, can serve the purpose of anti-wrinkle, anti-aging and promoting collagen production on the skin. https://www.cd-bioparticles.ne....t/cosmetic-active-in