What is the principle of Falgar changing from white to black?

The principle of Falgar's whitening and blackening is that the main principle is to replenish qi, invigorate kidney and promote blood circulation, accelerate metabolism and hair follicle absorption through external washing, thus changing the hair follicle environment, supplementing the blood circulation of the brain and hair follicles, and regenerating hair follicles. Shenzhen Fajia Pharmaceutical Technology Co., Ltd. was established on June 9, 20 15, registered at Huayuan Business Center, No.347 Xixiang Avenue, xixiang street Labor Community, Baoan District, Shenzhen, and its legal representative is Meng Qiang. The business scope includes general business items: health and wellness management consulting; Technical development of cosmetics.