Kérastase Densifique Densimorphose Mousse revitalizes hair that lacks density. This lightweight mousse, formulated with gluco-peptides and hyaluronic acid, repairs past damage while plumping hair for a fuller, more supple appearance. Simply apply to washed, towel-dried hair, comb through from roots to ends, and style as desired, leaving hair looking and feeling denser without rinsing.