Mask Caring Hair Expert Original Hair Treatment with collagen and milk protein for nutrition and hair strengthening. Milk protein is one of the most nutrient-rich proteins known from the group of z.one concepts, due to the content of amino acids. No other protein has the same anti-irritant and protective properties. Milk protein also has a restructuring and healing properties. These advantages allow achieving an optimal balance and are the building blocks for the structure of the hair. Do your hair lack protein? Moisture is necessary if the hair does not stretch and break easily, or the hair is very coarse and brittle. If your hair does not have keratin, lack moisture and elasticity, shine, the Caring Hair Expert Original Hair Treatment mask will be an excellent solution. There are two main types of protein in milk: casein and whey, which both benefit your hair. A lack of protein can lead to the fact that the hair will become thin or become inactive and stop growing. Using a mask promotes the formation of thick shiny hair. Volume: 250 ml Tags: hair