Eugenol USP is a US Pharmacopoeia grade phenol from cloves.It is also used in combination with astringents as a mouth wash after tooth extraction.The most common method for the isolation of Eugenol USP Extract Feed Grade is steam distillation. Eugenol is mostly present in the aerial parts of plants such as leaves and bark. It is widely used in dental preparations, and as a fragrance component in toothpastes, soaps, toiletries, cosmetics and perfumes. It's also a natural antibacterial and antimicrobial that kills bacteria, viruses and other pathogens.