L\'Oreal Professionnel Serioxyl clarifying & densifying* shampoo suitable for men and women who have coloured, very fine or thinning hair, or suffer from hair loss. Gentle hypoallergenic formula cleanses the scalp, eliminating impurities and sebum build up that can clog hair follicles and prevent hair growth. Bodifies the hair, helping it to look fuller and feeling voluminous. Can be used as a daily shampoo. Suitable for sensitive scalps. With over 10 years of research, L\'Oreal Professionnel\'s Serioxyl range re-densifies the look and feel of fine and thinning hair with targeted haircare and serums. *Instrumental test Serioxyl shampoo + conditioner.