... .10.10.10.1As an excipient, PVP K-90 is mainly used as a tablet binder, the ... better binding ability. Used as suspending stabilizer, K-90 can stabilize all kinds of effective components in medicines. ... And also K-90 can be used as viscosity-enhancing agent and ... the effectiveness of medicine. In cosmetic industry, PVPK series can be used as film-forming agent in hair ...