[Excess sebum]: pollution, stress, and poor diet promote excess sebum that can saturate the scalp. This excess sebum is then transferred to the hair from root to tip, creating this greasy effect. The advanced dermo-nourishing scalp shampoo will alleviate this phenomenon. [Anti-Hairdrying greasy]: the advanced professional dermo-scalp shampoo has been formulated to absorb excess sebum on the scalp. This lightweight shampoo purifies the scalp of residues, sweat, and sebum for una feeling of freshness and cleanliness. [Formula enriched with dermatological active ingredient]: this silicone-free formula is enriched with 3% AHA, a water-soluble acid. This powerful dermo shampoo purifies the scalp surface, providing a healthy and clean appearance. [A dermatologically tested shampoo]: the formula of this oily shampoo has been developed by professionals and tested under dermatological control. This oily shampoo for hair has been developed with 3 scalp experts: Vivek Shyam Bhatia from India, Takku Orii from Japan, and Jimmy Jiang from China. [A professional shampoo for oily hair with scientifically proven efficiency]: after a single use, -78% sebum on the scalp*. [Fresh] refreshing fragrance that offers una feeling of purity. [PRO TIP]: for optimal results and increased volume, use the 250 ml 2-in-1 scalp clay in addition to the powerful dermo shampoo.*Instrumental test on impurity removal after the application of the purifying shampoo.