Patchology FLASHPATCH Illuminating Eye Gels 1 Pair New Freepost. With a background in medical patch technology, Patchology’s intelligent masks and hydrogels deliver potent ingredients straight to your cells without anything going to waste — giving you maximum effects with minimal effort. Formulated to brighten and soothe the eye contours, the FlashPatch Illuminating Eye Gels give a five-minute flash treatment with instant results. Infused with vitamin C, green tea extract, mulberry extract and pearlescent minerals to fend off dark circles and bring forth brighter eyes. Check out my other items, for further combined postage discounts.