He tāpiringa maha-mahi te Hydroxypropyl Methylcellulose (HPMC) e whakamahia whānuitia ana i roto i ngā hanganga sima nā tōna kaha ki te whakarei ake i te mahi, te ngāwari ki te mahi, me te pakari o ngā rauemi sima. Hei polymer maha-mahi, ka whakapai ake te HPMC i ngā āhuatanga matua pērā i te pupuri wai, te piri, me te ātete ki te totohu, ā, he mea nui rawa atu i roto i ngā hanganga hou.