Patchouli is a familiar summer medicine that many people use to relieve dampness, prevent summer heat stroke, and so on. But in addition to this common effect, patchouli is also very effective in treating skin diseases. First of all, it can definitely treat neurodermatitis, because neurodermatitis is a reaction caused by mental factors, local injury, or irritation, allergies, etc. Neurodermatitis, sometimes called eczema, is usually applied topically with patchouli 3-5 times a day for 3-5 days, after the skin is clean. You can also treat other chronic urticaria, as chronic urticaria is also caused by allergic factors, and in addition to hormones, you can take patchouli water orally to improve the symptoms. There are other small prickly heat, foot moss, vitiligo, etc., all have some effect.