OLAPLEX 4-IN-1 MOISTURE MASK, powered by OLAPLEX’s patented technology, is a highly concentrated reparative mask that adds intense moisture while providing shine and body to treat damaged hair. It works quickly and efficiently to address dryness in even the most severe cases with professional-strength ceramides, oils, and 11 vital amino acids. The ingredients and patented technology provides a luxurious, in-salon deep conditioning treatment, with or without a chemical service.