Gently cleanses Activates the elimination of scales Keeps them from reappearing Soothes and limits itching Coats the hair Also brings shine, suppleness and volume to hair thanks to its non-detergent, non-stripping cleansing base. Fragrance-free formula. Intense treatment, for scalps with itching (3 weeks): 3 shampoos per week. Maintenance, to prolong its efficacy: 1 or 2 shampoos per week. Use Nodé Non Detergent Shampoo in between.