[Dry or oily type]: dandruff is characterized by an increase in the natural scalp of the scalp causing a visible buildup of flakes. Three accomplices are involved: microflora, sebum, and skin barrier. They distribute roles and cause an imbalance. It's a vicious circle, and you want to get out. [Instant scalp relief and anti-dandruff treatment]: L'Oréal Professionnel's advanced dermoo caliber anti-dandruff shampoo gently clarifies and effectively eliminates both dry and oily dandruff, providing una scalp sensation. From the first applications, the appearance of dandruff is visibly reduced*. [Formula enriched with dermatological active ingredient]: this silicone-free formula is enriched with piroctone olamine, a dermatological active ingredient that eliminates dandruff. [A dermatologically tested anti-dandruff shampoo]: the formula of this anti-dandruff shampoo has been developed with professionals and dermatological control. This shampoo has been co-developed with 3 scalp experts: Vivek Shyam Bhatia from India, Takku Orii from Japan, and Jimmy Jiang from China. [A professional anti-dandruff shampoo with scientifically proven efficiency]: after a single use, it eliminates up to 100% of visible dandruff **. [Fresh fragrance]: refreshing that offers una sensation of purity.* Clinical test on 44 volunteers, 3 applications per week. ** Consumer test on 60 subjects with regular use.