Olaplex 4-in-1 Moisture Mask is a professional-grade formula designed to replenish moisture, strengthen and smooth hair. With a blend of ceramides, oils and 11 vital amino acids, it can revitalize dull, damaged hair with added shine and body, whether used alone or after chemical hair treatments. Features: Improves hair elasticity and moisture retention. Infuses hair with intense, long-lasting shine, boosts body, and creates an incredibly soft feel. Can be used alone or before/during/after salon hair treatments. Sulfate & Paraben free. How to Use: Apply 1-3 pumps of the mask to...