Glow Tonic Serum This lightweight serum gently exfoliates, hydrates & nourishes by penetrating deeper layers of the skin for quicker, more noticeable results. This potent formula softens, refines and restores radiance for smooth & balanced skin. Glycolic acid exfoliates, while aloe vera soothes & calms and ginseng revitalizes. Paraben free. Not tested on animals.