Collistar Attivi Puri Keratin+Hyaluronic Acid Mask, 200 ml, Hair Masks for Women, The Collistar Attivi Puri Keratin+Hyaluronic Acid Mask 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: moisturises intensely regenerates the hair along its entire length restores hair structure strengthens the hair fibre makes it easy to comb through and prevents damage hair is soft to the touch How to use: Wash with shampoo, then apply to damp hair. Leave to act as instructed on the packaging, then rinse thoroughly.