Shou Wu pills taken continuously for 15-30 days may have some effect of turning gray hair into black hair. However, He Shou Wu has hepatotoxicity and is not recommended for long-term use. Shou Wu Wan belongs to a kind of Chinese patent medicine, whose active ingredients mainly include He Shou Wu, Di Huang, Mulberry, etc. These Chinese herbs can effectively nourish the liver and kidney, benefit the kidney and fill the essence after intake into the body. It has a certain improvement effect on gray hair, dizziness, blurred eyes, and soreness of the waist and knees. The medicine can also enhance the body’s immunity and accelerate the blood circulation of the whole body to a certain extent, thus reviving the hair follicle’s hair-growing function, thus achieving the effect of hair augmentation and growth. However, the effect of proprietary Chinese medicine is slow and requires gradual treatment, generally 15 days a course of treatment, need to take 1-2 consecutive courses of treatment to have a certain effect. It is best to take Shou Wu Wan under the guidance of a Chinese medicine practitioner to identify the application of evidence, do not use blindly.