Extentioniste - rinforzante

Kerastase Resistance Extentioniste is the treatment specifically designed for long hair. It gives structure and strengthens the hair fibre with a unique combination of ingredients and a cutting-edge formula and technology. The result is healthy, strong hair with extreme softness. Kérastase, with this product range, developed a cutting-edge technology, rebuilding the hair structure weakened by chemical or mechanical aggression, strengthening and making it stronger.