Fiber Mousse 345 is a fine foam. Mousse can make your hair thicker and give it a voluminous hairstyle. REF Fiber Mousse 345 contains fine fibers that make hair look fuller and visibly add volume. Mousse provides texture to the hair without weighing it down. Plus, your hair will get a beautiful shine. Mousse makes hair thicker Provides more texture to the hair. Won't weigh hair down It does not contain parabens, sulfates or silicones. Wear: Shake the bottle well before use. Then apply an appropriate amount of product in the palms of your hands and distribute evenly through damp or dry hair. Then style your hair as you like.