Concentrated formula with high treatment power. High nourishing and moisturizing power. Slows down aging and intensifies hair shine. How to use: 1 - Separate a quantity of your favorite Bio Extratus Mask, enough to massage your hair, and add a teaspoon of Vitamin A+E. Mix well. 2 - Separate the already washed and damp hair into sections and apply the treatment, massaging vigorously from the roots to the ends. 3 - Use a self-heating cap or wrap your hair in a towel moistened with hot water. 4 - Leave it to act for at least 15 minutes. 5 - Rinse thoroughly with warm water. 6 - Finish as you wish.