Goldwell Dualsenses Sun Reflects, 50 ml, Sun protection for hair for Women, The Goldwell Dualsenses 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 hair is soft to the touch protects against harmful environmental effects How to use: Leave to act as instructed on the packaging, then rinse thoroughly.