In daily cosmetics, the PVP and its copolymer have good dispersibility and film forming property. They can be used as setting fluid, spray gel and mousse fining agent, hair care agent, shampoo foam stabilizer, wave setting agent and dispersant and affinity agent in hair coloring agent. Adding PVP to the cream, sunscreen and depilant can enhance the wetting and lubricating effect. PVP has a broad application prospect in hair care, skin care products and other fields because of its excellent surface activity, film-forming property, no irritation to skin and no allergic reaction