Double R Radiance & Repair Mask combines the power of two high-performance masks in an innovative double bottle Guerlain to restore hair brilliance and intensely repair the hair fiber. Day after day, the scalp is strengthened, the fiber is nourished and repaired for a long time. The radiance of the hair is amplified. Hair is visibly stronger and softer, both to the eye and to the touch. The exclusive double texture developed according to the art of formulation Guerlain is composed of 95% ingredients of natural origin.