Tincture of Momordica charantia is a topical preparation made from a Chinese herb Momordica charantia soaked in 75% medical alcohol, it is a very good tincture, many hospitals have this kind of homemade medicine, which has the effect of killing insects, detoxification, expectorating wind and relieving itching. Hundred tincture is mainly insecticidal, such as by a variety of lice caused by skin diseases, such as head lice, pubic lice, take Hundred tincture coated scalp or vulva at the pubic hair, you can kill lice, change down the underwear sprayed with Hundred tincture can kill lice, lice eggs, usually with about a week. Of course, there are some domestic pets suffering from lice, fleas and so on, can also be coated with tincture of thymus, both to kill lice and insects, but also to stop the itching, so it is a very good topical preparations.