1. Before going to bed, drop 2 to 3 drops of black hair reducing essence on your fingertips, and then rub your fingertips into the white hair area.

2. After being applied to the scalp, gently massage with fingertips 1 to 2 minutes.

3. Within 2 to 3 weeks after starting to use the black hair reducing essence, you need to use the black hair reducing essence once a day.

4, black hair reduction essence is used on dry hair, and after three to six weeks, the hair gradually becomes the ideal color.