Nioxin 3D Intensive Deep Protect Density Mask, 500 ml, Hair Masks for Women, The Nioxin 3D Intensive Deep Protect Density 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: regenerates the hair along its entire length makes it easy to comb through and prevents damage gives hair a brilliant shine improves the elasticity of hair fibres How to use: Wash with shampoo, then apply to damp hair. Only for professional use.