Deep protect density mask leaves hair conditioned, manageable and smooth. This professional thinning hair treatment is a density protection treatment that provides an up to 97% reduction in hair breakage deep protect density mask deeply conditions dry or coloured hair based on hair length of 12 inch 30cm, measured by the weight of broken hair vs. Non conditioning shampoo. Protecting hair against damage for all hair types, including curly hair. Features and benefits professional hair mask. For damaged or coloured with thinning hair. Anti breakage strengthening treatment. Leaves hair conditioned, manageable and smooth. Helps to protect and strengthen the hair. Reduce significant hair breakage up to 97% reduction in hair breakage. Density protect. To use after shampooing, work evenly through hair. Leave on 3 5 minutes. Rinse well. No cap or heat required.