Wanci Physical Therapy Ointment (Pain External Application Powder) was originally a kind of powdery granule, which was made up of more than 60 kinds of precious Chinese herbal medicines, then mixed with warm water and applied to the affected area. Wanci, formerly known as Pain External Application Powder, is one of the five major dosage forms of traditional Chinese medicine-pill, powder, ointment, pill and soup.
It is a powdery granular object and an ancient pharmaceutical dosage form. Pain external application powder is made of more than 60 kinds of pure Chinese herbal medicines with the functions of dredging collaterals, promoting blood circulation, removing blood stasis, eliminating inflammation and relieving pain, and has the functions of dilating blood vessels, improving local blood circulation and promoting local metabolism.
In recent years, with the rapid development of transdermal drug delivery system, the application scope of external preparations is more extensive. In order to further improve the service for future generations, the traditional powder was soaked in preheated water for 30 minutes, then stirred at 95℃ to 98℃ for extraction 1 hour, then centrifuged, filtered, squeezed, combined, and the filtrate was concentrated, so that it evolved into today's ointment.