The lactic acid in yogurt has a nice moisturizing effect and an exfoliating effect, which can quickly restore the skin's luster and tenderness. Can promote cellular metabolism, so that the skin radiant Yogurt contains lactic acid and some other organic acids such as citric acid, glucuronic acid, etc., its dilution also has a significant bactericidal and antiseptic effect, known as the mucous membrane tissue, "detergent", skin trauma, burns, acne and psoriasis, etc., have a very good bactericidal and promote its healing role. The role of. Yogurt is rich in vitamin A, vitamin B1, vitamin B2, vitamin E and carotene can prevent the oxidation and decomposition of unsaturated fatty acids in human cells to maintain the integrity of the epithelial cells, which is conducive to the protection of the skin, to prevent the skin from keratinization and dryness. Vitamin C contained in yogurt as a reducing agent in the body, in the process of melanin formation can effectively inhibit the oxidation process of tyrosine, reduce melanin deposition in the body. Therefore, long-term use of yogurt can make the skin white and tender and elasticity and luster. Yogurt contains calcium, magnesium, potassium, sodium and other inorganic mineral elements, can effectively improve the blood pH, reduce the formation of pigmented spots in the skin, and chloasma, freckles and other pigmented spots have a certain degree of dissolution. The highly active inorganic mineral trace elements such as zinc and certain derivatives of vitamin A and vitamin E also help the transformation and excretion of certain toxic substances in the body, reduce the stimulation of acne, alleviate the symptoms of acne, and help the healing process.