Hydroxypropyl Methylcellulose (HPMC) ndi chowonjezera chogwiritsidwa ntchito kwambiri popanga zinthu, makamaka popanga zinthu za matope. Chimapereka zinthu zingapo zothandiza zomwe zimapangitsa kuti matope azigwira ntchito bwino, azigwira ntchito bwino, komanso azikhala olimba. Nkhaniyi ikufotokoza momwe HPMC imasinthira matope ndi ubwino wake pa ntchito zomanga.