The opulent KALONA Hydrating Keratin Mask is designed to preserve and mend damaged hair. created with keratin proteins and vitamins derived from natural oils. a special technique that repairs the surface and structure of the hair while sealing in moisture. After treatment, hair feels refreshed, silky, and ready to style. aids in preventing the harmful effects of electrical appliances, the environment, and chemical treatments. After shampooing, apply the Hydrating Keratin Mask to your hair and let it work for at least 15 minutes. Give it a good rinse. Twice a week is the recommended usage for routine maintenance. Apply once a week to severely damaged hair.