[Hair Thickening Treatment]: The purifying shampoo and serixyl Advanced bodying gel from l'Oréal Professional has been formulated for thinning hair. This lightweight gel gently purifies and brings a una feeling of density to the hair. The hair looks fuller and shinier. [Formula enriched with dermatological activity]: This silicone-free formula is enriched with magnesium salt, which gives texture to the hair fiber. [Dermatologically tested shampoo]: The serixyl shampoo formula has been tested under dermatological control. This thickening shampoo is suitable for both men and women. [Scientifically proven efficiency]: After just 1 use, +22% volume for 24 hours*. [Fresh fragrance]: The una composition wrapped in a una refreshing breeze offers a una feeling of purity.