The medicinal properties of Neem have been described in ancient Indian medical texts (4000 B.C.) such as the Atharva Veda, Ghrhyasutras and the Sutragrantha. The products of the Neem tree are known to be antibacterial, anti-fungal and anti-parasitic. The major chemical constituents of Neem are Azadirachtin, Nimbin, Nimbidinin, Nimbolides etc. The herb Neem is best Blood Purifier and is very useful among various herbs for acne. Regular use of Neem is an effective natural Acne treatment and various other skin problems.