Formulated with a nanotechnological vitamin compound that deeply hydrates and nourishes the weakest hair. It contains Keratin that acts both inside the hair fiber (restoring vitality), and on the surface (forming a protective film). Results Returns life, thickness and energy to your hair. Application Apply the Regenerating Shampoo from the "Healthy Hair by Nirvel" treatment line. Leave on for 3 minutes and rinse with plenty of water. Dry hair with a towel. After washing the hair, once a week, distribute Regenerante Mask evenly, with a light massage. Cover with a towel and leave to act for 10 to 15 minutes. Rinse with plenty of lukewarm water. Then proceed with drying, combing, etc.