K18 Professional Molecular Repair Hair Mask, 5 oz is a professional-grade leave-in treatment formulated to help restore damaged hair and improve its overall appearance, strength, and resilience. Designed for use after chemical services, heat styling, or environmental stress, this advanced molecular repair mask helps revive compromised strands by enhancing softness, smoothness, and manageability. Its lightweight, no-rinse formula provides intensive care without weighing hair down, making it suitable for salon treatments and at-home maintenance. The generous 5 oz size delivers long-lasting performance for professionals and individuals seeking premium repair-focused hair care.