Chinese Name: PVP English name: Polyvinylpyrrolidone Chinese Alias: povidone; PVP English Name: Polyvinyl pyrrolidone; Povidone; PVP; Polyvinylpyrrolidine CAS Number: 9003-39-8 Formula: (C6H9NO) x Molecular Weight: 111.143 main purpose 1. PVP is mainly used in the manufacture hair spray, hair gel, mousse, film elastic and shiny, combing the hair to form a good, non-stick dust. Also be used as dispersing agents, stabilizing agents, tabletting fillers, thickening agents, clarifying agents and the like. 2. as a colloidal stabilizer and clarifying agent for beer clarification, according to production needs to be used in moderation. 3. The non-nutritive sweetener cyclamate is more commonly used. Is not absorbed in the human body, does not produce heat. Taste close to sucrose, often mixed with sodium saccharin, sodium saccharin can mask the bitter taste. For pickles, sauces, mixed wines, cakes, biscuits, bread, ice cream, ice cream, popsicles, drinks, its maximum usage is 0.65mg / kg maximum use of 1.0mg / kg; Citrus, plum, Yang Maximum amount of prunes and other 8.0mg / kg.4. as in synthetic detergent to prevent recontamination agent. Retention agents used as hair cosmetics, elastic and shiny film can be formed on the hair, the hair comb is good, non-stick dust. Its weather is good, is styling hair cream, hair gel, mousse essential raw materials. Also used in skin care agents, grease base material, hair dye dispersants, foam stabilizers end, as well as to improve the consistency of shampoo and the like. Also used in high-end toothpaste paste thickening binder.