Hydroxypropyl methyl cellulose(HPMC) is a polymer acclimated for assorted applications in fields such as architecture and ophthalmology. It is aswell accepted as hypromellose, which is the international, non-proprietary name (INN) for this substance. Hypromellose (INN), abbreviate for hydroxypropyl methyl artificial (HPMC), is a semisynthetic, inert, viscoelastic polymer acclimated as an ophthalmic lubricant, as able-bodied as an excipient and controlled-delivery basic in articulate medicaments, begin in a array of bartering products. As a aliment additive, hypromellose is an emulsifier, agglomeration and suspending agent, and an another to beastly gelatin. Its Codex Alimentarius cipher (E number) is E464.