Hair Dye Shampoo *Black* (10 Packs)

1. Put on gloves (otherwise the nails will be dyed grey, although that does not affect health)2. Make your hair wet with both your hands3. Wipe off the water on the hair.4. Pour two component bottles of "Wash for black "by 1:1 onto your palm, Mix them gently (the quantity is about twice that of a normal washing)5. Promptly put the shampoo on the hair and rub it until it reaches the bottom of the hairs, then rub the hair for 5-7 minutes so that the shampoo moistens the bottom of each hair.6. Wash the shampoo away.7. The hair will become dark and shining