Dove Intensive Repair Mask protects your hair from damage caused by excessive styling or exposure to chemicals. Restores up to 1 week of protein loss and makes your hair smooth and soft. It leaves hair up to 10 times more resistant to future wear. Instructions for use: 1. After washing your hair, use the hair mask preferably once a week. 2. After applying the hair mask, wrap your head in a bath cap and leave for three to five minutes. 3. Then rinse the mask and rinse your hair with a gentle shampoo.