Nanjing Tongrentang is a well-known brand, and its hair dye cream has received rave reviews. The hair cream of Nanjing Tongrentang is made of pure plant ingredients, which is mild and non-irritating to scalp and hair. The hair cream of Nanjing Tongrentang is easy to use, with obvious dyeing effect and lasting color, which is not easy to fade. Nanjing Tongrentang is a brand of traditional Chinese medicine with a long history, and its product quality and safety are also trustworthy.