Vitamin E, also known as tocopherol, is currently considered to have two main physiological functions: first, the function of antioxidant, vitamin E is a relatively strong antioxidant; second, vitamin E also inhibits the activity of melanocytes or luciferase in the body, thus inhibiting melanocytes from forming melanin. Therefore, there are three main clinical applications of vitamin E: 1. Vitamin E can protect the skin, for example, vitamin E can resist skin aging caused by the stimulation of skin cells due to ultraviolet light; 2. Vitamin E also has an antioxidant function and promotes wound healing, so vitamin E has a relatively obvious therapeutic effect on mouth ulcers, etc.; 3. Vitamin E has a relatively obvious therapeutic effect on facial melasma due to its ability to inhibit melanin formation Vitamin E has a lightening effect on melasma on the face.