Our White to black shampoo contains glycerin and ginger root extract. It helps to maintain and enhance the brightness of the beard color, making your beard more dense and beautiful. The way to use it is simple: 1. Make sure your beard is dry before use. 2. Put on plastic gloves. 3. Apply the shampoo evenly to your beard. 4. Massage your beard for 5 minutes until the shampoo is all over. 5. Dry your beard. After use, the plant vitality essence penetrates the wall of the hair follicle and injects hair growth momentum. It wakes up dormant hair follicles and boosts their supply capacity to grow new whiskers. After persistent use, the beard gradually becomes thicker and stronger.