Arbutin, also known as arbutin, is a tyrosinase inhibitor and a natural active substance derived from green plants. It can quickly penetrate into the skin, effectively inhibit the activity of biological tyrosinase (Tyrosinase) in the skin without affecting the concentration of cell proliferation, thereby curbing the production of melanin, reducing skin pigmentation, and removing pigmentation and freckles. To achieve the purpose of whitening and freckle removal, it is mainly used in whitening products.