Let's not throw away the milk even if it's a little damaged. Milk has a moisturizing effect, as well as a peeling effect when used when washing your face or taking a shower, and it also removes blemishes on your face. exfoliation Milk has the effect of exfoliating the skin. Warming the milk lukewarmly, lightly wiping off the face at the last step of washing, and then washing your face with water..