Essential oils are generally extracted by distillation, often by using steam. Other processes include expression, solvent extraction, sfumatura, absolute oil extraction, resin tapping, wax embedding, and cold pressing. They are used in perfumes, cosmetics, soaps, air fresheners and other products, for flavoring food and drink, and for adding scents to incense and household cleaning products.

Carrier oil, also known as base oil/Carrier Oil, it is the oil extracted by pressing seeds or fruits etc plants. In addition to containing different fatty acids, it also contains vitamin A, E and other ingredients that are beneficial to the skin. It can be used directly on the skin or used to dilute essential oils, you can choose a suitable carrier oil according to your skin needs and purposes. They are also the cooking oils for all of the world.

The main raw materials for cosmetics are usually divided into general matrix materials and natural additives. Oil based raw materials include two categories: natural oil based raw materials and synthetic oil based raw materials, mainly referring to oils, waxes, hydrocarbons, fatty acids, fatty alcohols, and esters. They are a major type of raw materials for cosmetics.