Intensive intra-cellular strength & surface sealing for extremely damaged hair. Mizani Renew Strength Reconstructing Masque is designed to help reinforce the hair strand from the inside out. Protein & ceramides provide strength between layers while advance lipids smooth the hair surface for stronger, more manageable hair. Directions for use: Shampoo with Renew Strength Fortifying Shampoo. Apply a generous amount of Mizani Renew Strength Reconstructing Masque to hair, coating evenly. Massage in & finger comb through to ensure thorough coverage. Leave on for 3 to 5 minutes, then rinse thoroughly. For deep conditioning, cover head with plastic cap & sit under warm hooded dryer for 10 minutes.