Living Proof Perfect Hair Day Weightless Mask Revive dull hair, in just minutes. This weightless mask is the hair maintenance you never knew you needed. It enhances hair’s natural shine and makes it more manageable and polished. Formulated for fine to medium hair types, it smooths, strengthens, conditions, and won’t compromise volume. description - Delivers 5 key benefits of healthy hair: smoothness, volume, conditioning, strength, and polish - Revives dull, lifeless hair in minutes - Has no heavy buildup - Up to 70% reduction in breakage after one use - Replenishes healthy hair’s natural protective layer - Helps hair stay cleaner, longer so you can wash less often how to use After shampooing, apply generously from roots to ends, leave on for five minutes. Rinse. Use 1-2 times per week as needed as a conditioner replacement.