How to Use Black Shampoo Card Liquid Hair Dye?
Before applying this shampoo, make sure your hair is dry. Wear the gloves before use. Apply the shampoo and massage your hair until the shampoo spreads evenly on your hair. Keep the shampoo for 5-10 minutes on your hair before hair wash. If you have denser hair, then use 2-3 sachets at one time.