O le Hydroxypropyl Methyl Cellulose (HPMC) o se non-ionic cellulose ether e masani ona faʻaaogaina o se mea e faʻamālosi ai, mea e faʻapipiʻi ai, mea e faʻafoliga ai ata tifaga, ma mea e faʻamutaina ai mea i le tele o alamanuia.