The combination of Keratin with Quinoa Pro acts inside the hair fiber, repairing and protecting the hair against new aggressions and sealing the cuticles. Recovers hair elasticity after aggressive straightening and brushing. For best results, use Keramax Intense Smooth complete line. How to use: Wash hair with Keramax Intense Smooth Shampoo and Conditioner and remove excess water. Open an ampoule of Intense Smooth and apply all the content to the length of the hair to the ends, avoiding the roots. Leave to take effect for 1 minute and rinse with plenty of water. Visible results in the first application