The Olaplex 4-in-1 Moisture Mask is a professional-grade treatment that provides intense hydration, shine, smoothness, and body in a single step. Perfect for all hair types—especially dry or damaged hair—this luxurious mask harnesses Olaplex’s patented Bond Building Technology™ to strengthen and restore hair from within. Enriched with a concentrated blend of ceramides, nourishing oils, and amino acids, it deeply penetrates the hair to enhance softness, elasticity, and manageability while repairing and fortifying each strand. Ideal for reviving dull, brittle hair and achieving a healthy, radiant finish.