Goldwell Dualsenses Bond Pro, 500 ml, Hair Masks for Women, The Goldwell Dualsenses Bond Pro 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 strengthens the hair fibre makes it easy to comb through and prevents damage How to use: Wash with shampoo, then apply to damp hair. Leave to act as instructed on the packaging, then rinse thoroughly.