Care Mask with different particle sizes of keratin amino acids. The smaller particles penetrate inside the hair fiber and the larger ones repair the exterior of the hair. This is the Keratin treatment treatment from Abril et Nature Results: - Repairs the keratin structure of hair - Provides softness and natural shine to hair - Repairs all types of hair damage, both due to chemical and mechanical or environmental actions. - Avoids hair breakage to restore its natural strength. How to use: Use after the Keratin shampoo bath. Apply the Keratin instant mask to the entire hair. Gently massage the hair for best results, leave to act for a few minutes and rinse. Second step of the Avril et nature Keratin treatment ritual.