In Russia the beauty of the girl was determined by its spit: spit whose richer, thicker so long, the young woman more beautiful, so handsome to the court. " For washing hair girls using infusions of herbs, wood ash, egg yolks, but one of the favorite recipes of a sour sourdough. While bathing girl ferment applied to the hair and washed my head. It was believed that sour sourdough gives hair strength and beauty. After her hair will stay clean longer and well-groomed. In our time to replace dairy leaven came so beloved by all kefir. Kefir contains bioculture to normalize the metabolism in the scalp, nourish and strengthen hair and stimulate their growth. Shampoo containing a basically natural yogurt, helps to reduce fat content of hair, improves its structure, fills nutrients, prevents breakage and hair loss