There are more than 1,100 reviews (and 171,000 loves) for The Ordinary's radiance-boosting Glycolic Acid 7% Toning Solution ($9). Featuring seven percent glycolic acid (for exfoliation), the toner also adds in other ingredients like pepperberry, ginseng root, and aloe vera to soothe skin and counteract any possible irritation that could come from that acid use.