Actually, you don't need to add anything to soak your feet. As long as there is hot water. If wormwood. Try it about three times a week. Time can't be too long, no more than 50 minutes. In addition, things that can be soaked every day cannot be moved, and there is no need to soak every day. The medicine bag should be packed. Look at the ingredients on it If it only says wormwood, but there are other objects, it is best not to buy it.

I hope I can help you.