Hydroxypropyl methylcellulose (HPMC), e tsejoang hape e le hypromellose, ke polymer e nkiloeng ho cellulose. Ke polymer e sa qhibiliheng metsing, e seng ionic, e se nang ntlha e ikhethang ea ho qhibiliha. Ho e-na le hoo, HPMC e senyeha ka mocheso pele e fihla ntlheng ea ho qhibiliha.