The Living Proof Triple Bond Complex is a powerful weekly leave-in treatment and hair mask that enhances hair resilience and makes it 8X stronger. It also improves softness, smoothness, and shine while effectively repairing the hair. Clinically proven to reverse a year's worth of damage in just one use, this treatment reduces visible signs of hair damage like split ends and prevents future damage and breakage. It also provides heat protection up to 450°F/232°C, ensuring your hair stays protected during heat styling.