Our White to Black Shampoo Contains Glycerin, Ginger Root Extract. It helps maintain and enhance the brightness of your beard color, making your beard thicker and more beautiful. It's easy to use:1.Please make sure your beard is dry before use. 2. Wear plastic gloves. 3. Apply the squeezed shampoo evenly on the beard. 4. Massage the beard for 5 minutes until the shampoo covers the entire beard. 5. Dry your beard. After use, the plant vitality essence penetrates the hair follicle wall and injects hair growth dynamics. Awakens dormant hair follicles, increases supply capacity, and grows new beard hair. After consistent use, the beard gradually becomes thicker and stronger.