I-Zinc Pyrrolidone Carboxylate Zinc (PCA) sisithako esisebenzayo nesiluncedo esisetyenziswa ngokuqhelekileyo ekuqulunqweni kwesikhumba.Iipropathi zayo ezizodwa ziyenza ibe yongezelelo olugqwesileyo kuluhlu olubanzi lweemveliso zokhathalelo lwesikhumba, ukusuka kwizicoci kunye neetoni ukuya kwiiserum, izinto zokuthambisa, kunye ...
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