Herbal medicines that can darken the hair include Sideburn Leaf and Prepared Fleeceflower, and proprietary Chinese medicines include Seven Treasures Beauty Beard Dan, etc. It is necessary to use medicines under the guidance of a doctor to identify the cause of gray hair, and not to use medicines blindly on one’s own. There are many reasons for the appearance of gray hair, such as congenital endowment insufficiency (inborn constitution and poor functioning), blood deficiency, blood heat, kidney deficiency and so on. Although the leaves of the Chinese Cypress and the Prepared Fleece of He Shou Wu are both effective for hair loss, the leaves of the Chinese Cypress favor the treatment of hair loss caused by heat in the blood and the Prepared Fleece of He Shou Wu favors the treatment of hair loss caused by deficiency in the blood. Seven Treasures Beauty Beard Dan is composed of Poria cocos (red and white), Radix et Rhizoma Polygoni Multiflori, Radix et Rhizoma Polygoni Multiflori, Radix Angelicae Sinensis, etc. Its effects are to make hair and bones strong, and to tonify the liver and kidney, and it can be used for the premature whitening of beard and hair, hair loss, and tooth shaking, etc., which are caused by the deficiency of liver, kidney, and essence. Adverse effects: Monitoring data show that this product may cause abnormal liver biochemical indicators. Contraindication: It is forbidden for those with liver insufficiency; it is forbidden for pregnant women. Avoid eating greasy food. If you need to use the drug, please go to the hospital and use the drug under the guidance of the doctor.