Neem oil, which is extracted from the tree’s seeds, has been used for its medicinal and insecticidal properties for more than 4,000 years. Cold-pressed neem oil also contains steroids, fatty acids and a number of essential oils that are commonly found in a normal diet. Neem oil has been used in traditional folk medicine and as a home remedy for acne because of the aspirin-like compound that helps rid the skin of bacteria. It also helps reduce redness and inflammation. The high fatty-acid content in neem oil is said to prevent and treat scars from acne and is non-comedogenic