Double R Radiance & Repair Mask combines the power of two high-performance masks to restore hair's radiance and intensely repair the hair fibre in an original Guerlain double tube. Day after day, the scalp is strengthened, the hair fibre is nourished. Hair's shine is enhanced. Hair is visibly stronger, with a silky look and feel. Its exclusive double texture developed according to the Guerlain art of formulation is made up of 95% naturally-derived ingredients¹.The fruit of over ten years' research dedicated to honey's repairing powers, Guerlain has created Blackbee Honey Repair technology composed of four exclusive repairing honeys, restructuring phytoceramides, smoothing arginine, fortifying D-Panthenol and a colour-protecting cassia alata extract².The honeys in Blackbee Honey Repair technology strengthen the scalp at the source of hair’s vitality. Combined with phytokeratin, this technology deeply replenishes and repairs the hair fibre’s structure from the root.A floral oleo-extrait revives colour radiance and intensifies hair's shine². ¹Calculation based on the international ISO standard 16128, including water. ²In vitro tests on ingredients.