Hydroxypropyl Cellulose / HPC

It is widely used in oral and topical preparations. In oral preparations, it is mainly used as binder for tablets, film coating materials and skeleton materials for sustained-release preparations. Low viscosity type can be used as a wet or dry granulated binder, or a direct tablet process of dry binder, the amount is generally 2~6%; It can also be used as a film forming material in the coating powder of ethanol system or water system. High viscosity type can be used as a skeleton material for slow and controlled release preparations, and the dosage is generally 15~35%.In topical preparations, it can be used in transdermal patches or ophthalmic preparations. In food and cosmetics, it can be used as an emulsifier and stabilizer.