L’Oréal Professionnel Serie Expert Vitamino Color, 500 ml, Hair Masks for Women, The L’Oréal Professionnel Serie Expert Vitamino Color 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: extends the life of hair dye improves the elasticity of hair fibres 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.