Ifektri Ihhovisi Isitifiketi Umbukiso Ukuhlolwa Ukuhlolwa kokwelashwa kwamanzi amdaka ephepha lodonga Ukuhlolwa kokwelashwa kwamanzi amdaka e-propylene glycol kanye ne-surfactant Hlola amanzi angcolile emvubelo ebomvu avela ekwelashweni kokubiliswa kwelayisi