PVA 1788 yog ib qho khoom polyvinyl alcohol uas muaj purity siab heev thiab yog ib qho tseem ceeb heev hauv kev tsim cov khoom pleev ntsej muag ntau yam. Qhov zoo tshaj plaws ntawm kev tsim cov yeeb yaj kiab, qhov muaj zog solubility hauv dej, thiab qhov zoo nkauj ntawm kev sib raug zoo nrog ntau lwm yam khoom ua rau nws yog ib qho khoom raw muaj nqis rau thaj chaw pleev ntsej muag. Siv hauv cov cream moisturizing, serums, lossis pleev ntsej muag, PVA 1788 txhim kho qhov ruaj khov thiab kev ua tau zoo ntawm cov khoom thiab txhawb nqa qhov zoo ntawm kev siv. Raws li ib tus neeg faib khoom muaj nuj nqis, peb muaj ntau PVA 1788 cov khoom kom haum rau cov kev xav tau tshwj xeeb ntawm peb ntau tus neeg siv khoom.