Ascorbyl Glucoside Solution 12% by The Ordinary Good chemistry Brightening serum with stabilised Vitamin C derivative A water-soluble derivative of Vitamin C, ascorbyl glucoside is more stable in water than Vitamin C in its pure form Designed to help brighten skin tone and reduce visible signs of ageing Apply a few drops to face morning and night after cleansing Comes in a UV-protected bottle to maximise product’s effectiveness Product is non-returnable for hygiene reasons