The main active nutrient in milk is the lactic acid. Lactic acid in milk serves as a deep pore cleanser. Other nutrients include Vitamin A, D, B12, B6, Biotin, potassium and calcium. They all function in giving the skin a soft texture and even out hyperpigmentation. Milk are rich in B-vitamins, alpha hydroxy acids and other potent antioxidants. It will nourish skin cells from deep within and keep skin moisturized all day. If you’ve got acneic skin, it will gently exfoliate and gradually cure your acne. It helps to smooth and tighten wrinkled areas. When applied to your skin it works to shrink pores