Milk Shake Natural Care Active Yogurt, 500 ml, Hair Masks for Women, The Milk Shake Natural Care Active Yogurt 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 strengthens the hair fibre gives hair a brilliant shine How to use: Wash with shampoo, then apply to damp hair. Leave to act as instructed on the packaging, then rinse thoroughly.