Olaplex 4-in-1 Moisture Mask is a professional-strength treatment designed to provide deep hydration, shine, smoothness, and body to dry, damaged hair. Formulated with Olaplex's patented Bond Building Technology, this mask helps to repair and strengthen hair from within, restoring its natural health and vitality. Its rich, creamy formula penetrates deeply to deliver intense moisture, leaving hair soft, manageable, and lustrous. Suitable for all hair types, Olaplex 4-in-1 Moisture Mask is perfect for weekly use to maintain healthy, resilient hair.