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Polyvinyl Pyrrolidone PVP
O le PVP (polyvinylpyrrolidone) o se polymer synthetic e mafai ona solu i le vai e ta'uta'ua ona o lona fusia fa'apitoa, fa'apipi'i ata, ma fa'amautu meatotino. Faatasi ai ma le sili ona lelei o le biocompatibility ma le maualalo o le oona, e avea o se mea teuteu (hairsprays, shampoos), mea taua i vailaʻau (mea faʻapipiʻi papa, faʻapipiʻi pusa, faʻaofuina manuʻa), ma faʻaoga faʻapisinisi (inks, ceramics, detergents). O lona fa'atupuina maualuga le mafai ona fa'aleleia ai le solubility ma le bioavailability o API. O le mamafa mole mole (K-values) a le PVP e ofoina atu le fetuutuunai i luga o faʻatulagaga, faʻamautinoaina le viscosity sili ona lelei, pipii, ma le faʻasalalauina.