Deep-Cleansing Primary Surfactant Alpha Olefin Sulfonate (AOS) is a non-sulfate anionic surfactant that is commonly used in shampoos and other bath products owing to its skin-friendly properties, cleansing and foaming properties, and ability to combine well with water to remove dirt and oils. Petroleum cracking is the most common method for producing it in large quantities. It has excellent wettability, decontamination power, foaming power and emulsifying power; it is easy to dissolve in water, has strong calcium soap dispersing power and hard water resistance; it has good biodegradability, mild to skin, and good compatibility. It is widely used in all kinds of washing and cosmetic products. It is used as detergent for washing powder, composite soap, tableware detergent, and the preferred main raw material of phosphorus free detergent. It can be used in shampoo, shower gel, facial cleanser and other cleaning cosmetics, as well as industrial detergent.