Kerastase density mask, regenerating mask that restores body, substance and tonicity to the hair the delicate texture of this mask allows an immediate transformation of the hair from the application by bringing smoothing and lightness to the hair in lack of density it gives body and substance to the hair the hair is plumped, denser and more resistant application: apply the density kerastase mask over the lengths, lengthen up to the pops by stretching leave to stand for 5 minutes, then rinse with the clear eu capacity : 200 ml.