... many countries. In 2005 it passed the state-level expert technical assessment, and was ... (ppm)Dosage(ppm)DiscolorationApplicationColorless & transparent nano silver solutionAGS-WMB1000C2nm7±0.5100060-80NoTextiles, cosmetics, paint ... and daily necessities, for bactericidalColorless and transparent nano silver solutionAGS-WMB1000A2nm5±0.5100020-30NoCosmetics, pharmaceuticals, medical ...