Hydroxypropyl Methylcellulose (HPMC) yog ib qho polymer uas siv tau ntau yam, tsis muaj tshuaj lom, thiab lwj tau yooj yim uas siv dav hauv cov khoom siv tshuaj txhua hnub. Nws paub txog nws cov yam ntxwv zoo heev rau kev khaws dej, ua kom tuab, ua kom emulsifying, thiab ua kom ruaj khov, ua rau nws haum rau ntau yam kev saib xyuas tus kheej, tsev neeg, thiab cov qauv tshuaj pleev ib ce.