The Black & Thick Hair Fallopia Multiflora Shampoo Bar is made of ancient Chinese medicine that can provide all-around hair care, such as making hair grow healthier, darker, and thicker, and keeping the scalp healthy. This shampoo bar is suitable for all hair types, and it is perfect for both men and women. The main ingredient is polygonum, also called He Shou Wu (Fo-Ti), a popular herbal remedy in traditional Chinese medicine. It improves blood circulation, stimulates hair growth, and makes gray hair dark again. How to Use: Product Details: