Kerastase Masque Reconstituant Hair Mask 16.9 oz nourishes and facilitates detangling of weakened, prone to breakage hair. The hair fiber is deeply nourished, damaged areas are more resistant, hair soft and shiny. This mask is enriched with powerful combination of Edelweiss Native Cells and Ginger Root, which allow to delivery intense replenishment from root to tip by fortifying damaged zones of the hair fiber.