Simply Nano Blanc transdermal patches work by lightening your skin from the inside. The active ingredients (glutathione & vitamin C) penetrate directly into the bloodstream to raise glutathione levels which in SNP Glutathione Dark Zero Toning Patch 84g (60Patch) K Beauty eBay Simply Nano Blanc transdermal patches work by lightening your skin from the inside. The active ingredients (glutathione & vitamin C) penetrate directly into the bloodstream to raise glutathione levels which in Glutathione Patches SWIPE to see the comparison between the thick and thin patches we sell here at @zen_medi_spa.nabila These transdermal patches are applied on the body to lighten and brighten