Schwarzkopf Gliss Bio-Tech Restore, 300 ml, Hair Masks for Women, The Schwarzkopf Gliss Bio-Tech Restore 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: strengthens the hair fibre strengthens hair tips takes care of the lengths of weakened hair makes it easy to comb through and prevents damage regenerates the hair along its entire length How to use: Wash with shampoo, then apply to damp hair. Leave to act as instructed on the packaging, then rinse thoroughly.