This strengthening hair mask conditions and helps repair hair whilst providing a 28% reduction in breakage. Redken Extreme Mask is formulated with active proteins and a 6% Strength Complex. Key features: - 6% Strength Complex - Fatty Alcohols, Emollient, Cationic Conditioners & Glycerin: Part of a conditioning system - Citric Acid, Vegetable Proteins, Arginine & Quaternium: For pH balancing, strength repair and strengthening