Ducray Kertyol PSO shampoo offers a specially designed formula to soothe irritations and reduce flaking associated with psoriasis and seborrheic dermatitis. Thanks to its active ingredients, such as kerato-regulators, Ducray Kertyol PSO Shampoo helps to restore the balance of the scalp, giving a healthy and revitalized look to the hair. The product is suitable for frequent use and offers a gentle but effective cleaning to maintain a healthy scalp and shiny hair