Vichy Dercos PSOlution Kerator-Reducing Treatment Shampoo Psoriatic-Prone Scalps 200ml is a shampoo specially developed to hair scalp with scaly states psoriatic tendency.Its formula acts in addition of medical treatments to clean the residues and provide softness to hair.Formulated with 5% of Urea and 2% of Salicylic Acid, it instantaneously soothes the itching sensations, cleans and eliminates the skin flakes.Hypoallergenic.