Boost volume in your hair with this densifying treatment for natural thinning hair from the serioxyl range by loreal professionnel serioxyl is a new range from l oral professionnel with products that contain stemoxydin neohesperidin glucoboost incell and intra cylane to create beautiful hair that looks thicker and denser the aqua mousse texture ensures hair is lifted from root to tip for a fuller looking finish as part of the serioxyl densifying haircare programme the treatment mou