- 60.6% improvement in hair roughness with the new Double Bonding Ampoule
- Apply abundant bubble like shampoo easy self-hair dye
2. Open Solution 2 and add all of Solution 1 and Solution 3 Double Bonding Ampoule. Close the cap tightly with the pump
3. Gently swirl the bottle about 20 times in circular motions until the content is mixed well
4. Place the container on a flat surface and dispense 3-4 pumps by pressing the pump with the palm
5. Apply the foam just like shampoo on your hair evenly and leave it on for about 20-30 minutes, then rinse off with water thoroughly