The leaf and bark of this tree are used throughout Asia as a broad spectrum antimicrobial. Neem’s gentle purifying action makes it a popular ingredient in soaps, shampoos and toothpastes to treat skin conditions, dandruff and gum inflammation. Neem is a fabulous herb for those with kapha (oily) or pitta (acne-prone, inflamed) skin issues! Its twigs are used throughout India as natural toothbrushes. Neem may help to increase insulin levels and lower blood glucose levels in folks with diabetes. The leaves are bitter, cooling and astringent. They are believed to cleanse the blood and liver and to reduce internal or external inflammation.