O le faʻaaogaina o le hydroxypropyl methylcellulose (HPMC) i faʻapipiʻi faʻapipiʻi e tele mea lelei. O le HPMC o se semi-synthetic, non-ionic, maualuga mole mole mamafa polymer lea e masani ona faʻaaogaina e avea o se mafiafia, faʻamautu, ata tifaga muamua, ma vai faʻamau. O ona uiga tulaga ese e faʻaaogaina lautele i faʻapipiʻi ...
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