On the wonders of alum and vinegar mixture
There is an alum and vinegar mixture in the world, which is called Aluminum Acetate Burow's Solution. Its formula is absolutely wonderful and effective.

Alum, the dryness can collect moisture, and its quality is pure and powerful. Vinegar, the taste is sour and good, and it can attract medicine to achieve the principle. The two are combined to form a agent.

This agent is quite effective in treating skin diseases. In case of wet sores flowing liquid, soak it into a piece, and apply it to it, which can reduce the dryness and converge, remove the evil moisture, and gradually collect the sore surface. Or when the itching rash is unbearable, it will reduce the itching when applied, because it can remove wind and relieve itching, and calm the restlessness of the skin.

The principle of its prescription is to take the dryness of alum to control dampness, and the acid of vinegar to penetrate the body. The two complement each other, and play together the power of dryness and dampness to relieve itching and restrain sores. In the medical way, it is a good prescription for helping the world, and it should be cherished by doctors. Make good use of this agent to relieve the suffering of patients.