Thanks to the special formula of our shampoo, it helps to cover the gray hairs. Put on your gloves. Wet your hair. With the help of the scale in the box, take 1 part A from part A and 1 part B from the shampoo box. Mix thoroughly in a separate suitable container for not more than 2 minutes. Rinse your hair without waiting for the resulting mixture. Apply it all over. When the application is finished, leave it on the hair for 10 minutes. After waiting, rinse it with plenty of water. You can rinse it once more with your own shampoo if you wish. Your hair will have a natural and youthful appearance.