[DRY OR OILY DANDRUFF]: dandruff is characterized by an increase in the natural shedding of the scalp, leading to a visible accumulation of flakes. Three accomplices are involved: the microflora, sebum, and the skin barrier. They share roles and create an imbalance. It's a vicious circle, and you want to break free.[INSTANT RELIEF FOR THE SCALP AND ANTI-DANDRUFF TREATMENT]: L'Oréal Professionnel's Anti-Dandruff Scalp Advanced dermo-clarifying shampoo gently clarifies and effectively eliminates both dry and oily dandruff while providing a soothing sensation to the scalp. From the very 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.[DERMATOLOGICALLY TESTED ANTI-DANDRUFF SHAMPOO]: the formula of this anti-dandruff shampoo was developed with professionals and tested under dermatological control. This shampoo was co-developed with 3 scalp experts: Vivek Shyam Bhatia from India, Takku Orii from Japan, and Jimmy Jiang from China.[PROFESSIONAL ANTI-DANDRUFF SHAMPOO WITH SCIENTIFICALLY PROVEN EFFECTIVENESS]: after just one use, it eliminates up to 100% of visible dandruff**.[FRESH FRAGRANCE]: a composition wrapped in a refreshing breeze that offers a sensation of purity.*Test clinique on 44 volunteers, 3 applications per week.**Consumer test on 60 subjects with regular use.