Kérastase Genesis Masque Reconstituant, 200 ml, Hair Masks for Women, The Kérastase Genesis Masque Reconstituant hair mask is an essential step in your hair care ritual. Give it a moment to regenerate and it will repay you with vitality and beauty. Characteristics: regenerates the hair along its entire length makes it easy to comb through and prevents damage hair is soft to the touch restores hair structure strengthens the hair fibre makes hair smell beautiful effectively prevents hair loss How to use: Wash with shampoo, then apply to damp hair. Leave to act as instructed on the packaging, then rinse thoroughly.