How about Zhenjiang plaster

It is developed on the basis of traditional gypsum. It has a history of more than 300 years. Yizheng Plaster was founded on 1662. The secret recipe of Zhenjiang Tang Lao Zheng Yizhai's ancestral old plaster shop. Has the effects of expelling pathogenic wind, relieving pain, removing blood stasis, resolving hard mass, relaxing muscles and tendons, promoting blood circulation, relieving swelling and regulating qi. It can be used for treating pain of bones and muscles, traumatic injury, hemiplegia, numbness of limbs, arthritis, etc. The curative effect is remarkable, and it has the characteristics of proper softening point, durable cloth surface without mildew and durable ointment without aging. This product is based on vegetable oil. Grinding the main medicine and aromatic volatile components into powder, then adding into the ointment, refining, boiling until dripping into beads, cooling, and spreading on the red cloth with white paper on the back. From crude drug processing, roasting to refining and shaping, it is necessary to accurately grasp the temperature and time, especially in the paste stage, in order to ensure that the paste is smooth and delicate, with a bright surface, a black section, a moderate age and the characteristics of repeated application without aging. The formula of Yizheng ointment must be analyzed, studied and screened, and an improved formula based on domestic authentic medicinal materials must be determined, which not only maintains the traditional secret recipe and function of Yizheng ointment, but also has the characteristics of convenient drug source and good curative effect, and has the reputation of universal ointment.