then close cap tightly

Allow mask to sit on the hair for 5-7 minutes

so a preliminary patch test should first be made according to the directions

Greasy hair

CHI Royal Treatment Hydrating Shampoo Size:32oz/946ml then close cap tightlyRoyal Treatment Hydrating is a hydrating system designed to combat dryness and revive dull, brittle hair. It uses nourishing ingredients to quench moisture depleted hair with deep hydration and add softness. Helps to smooth hair and control frizz, improving manageability, elasticity and shine. Contains collagen to help promote healthy hair and help fight against the effects of hair aging from follicle damage. For all hair types, this shampoo gently