The krastase resistance therapiste shampoo and masque duo is a two step treatment process designed to transform dull tired hair the unique advanced formulas provide essential nutrients and moisture to recover hair and leave it feeling silky smooth en the set contains krastase resistance therapiste bain shampoo 250ml transform limp lifeless hair with the resistance therapiste bain a shampoo with a unique jelly like texture specially formulated with an innovative fibra kap formula