Hydroxypropyl methylcellulose (HPMC) yog ib qho tseem ceeb semi-synthetic cellulose ether compound, uas yog dav siv nyob rau hauv cov tshuaj, tsev cov ntaub ntawv, zaub mov, txheej thiab lwm yam lag luam. HPMC muaj cov thickening zoo, emulsification, film-forming, moisturizing, stabilization thiab lwm yam khoom, yog li nws ...
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