What It Is Bring blonde back to life. This luxurious, ultra-hydrating reparative toning mask mask is formulated with bond cure technology, vegan proteins, and plant butters to repair + strengthen damaged hair, while ultra-violet pigments tone brassy hues. After one use, hair is less prone to breakage and more manageable. What It Does Clinically proven to significantly tone, intensely hydrate, and improve manageability & resilience for: 8x more conditioned hair after one use* 2.2x stronger hair after one use* 86% more repair after one use* 56% less breakage after one use* *clinically tested