Milk gel is rich in fat molecules (fatty acids), proteins, and it naturally contains glycerin which boosts its moisturizing qualities. It's a natural emollient, and it gets quickly absorbed by the skin, creating a barrier that keeps and smooth and whiten. They tend to leave your skin overly dry and with a feeling of "tightness". The fatty nature of milk gel helps your skin maintain a healthy natural oil balance, and even replenishes dry skin.