Product Overview Reinforce & refinish weakened hair with this Kérastase hair bath shampoo. We don't want weak hair to rule your beauty routine – soft, strong results await when you use this product. Benefits With this effective formula, hair is revitalised & supple. It is more resistant & feels softer, giving weak hair a fresh, repaired start. Key Technology Kérastase’s unique Ciment-Cylane 3 Complex contains three exclusive active ingredients which bring hair repair to a new level. Intra-Cylane, Pro-Keratine & Ceramides strengthen & revitalise weak hair.