what is petroleum

Since the 1920's, petroleum has been used as a feedstock in the production of petrochemicals. A liquid obtained from the refining of crude oil called naphtha is one of the basic feedstocks. Petrochemical feedstocks also include products recovered from natural gas, and refinery gases...

Fragrances in lotions, shampoos, and many other cosmetic products are composed of aromatic hydrocarbons. Perfumes and products containing fragrance can contain many hundreds of chemicals to produce a distinct scent. A significant number of these aromas are derived from petroleum. One popular...