La Roche-Posay Kerium Gentle Extreme Physiological Shampoo-Gel is a scalp-friendly hair care product. Dermatologically tested, it is formulated with La Roche-Posay thermal spring water. This thermal spring water, rich in minerals and trace elements, is prized for its soothing and softening properties. Kerium shampoo gently cleanses the hair and immediately soothes scalp itching. Silicone-free, this treatment nourishes the hair fiber and strengthens the hair. It leaves hair well-hydrated and shinier. Supple and soft, hair is easier to style. Thanks to its scalp-friendly formula, La Roche-Posay shampoo can be used regularly without risk of irritation.