Hydromol intensive contains urea which is the skins natural moisturiser that is found naturally in the stratum corneum and helps the skin retain its moisture hydromols formula also contains sebum and soft white paraffin a natural oil that slows down the evaporation of water from the skins surface locking in the moisture and preventing the skin from drying quickly this will also reduce irritation while restoring your skins suppleness and improving its appearance dry skin is caused by a