Allantoin Glycyrrhetinic Acid Best Antioxidant Soothing Allantoin Glycyrrhetinic Acid at a glance Power couple of skin soothers, one licorice-derived Helps reduce signs and sensations of sensitivity Deemed safe in the amounts used in cosmetics Supplied as a white to yellowish powder Allantoin Glycyrrhetinic Acid description Allantoin glycyrrhetinic acid is, not surprisingly, a complex made from two long-proven soothing ingredients for skin, allantoin and glycyrrhetinic acid. They’re a power couple for helping reduce signs and sensations of sensitivity and are right at home in such products as facial cleansers, makeup removers and moisturizers. Both ingredients also have antioxidant benefits, helping curb environmental threats that prematurely age skin. The allantoin portion of this duo is synthetic while the licorice-derived compound, glycyrrhetinic acid, is plant-derived. This ingredient is supplied as a white to yellowish powder. Use levels are typically 0.001%–0.05%, a range that’s been deemed safe for use on skin. Related ingredients: Allantoin Glycyrrhetinic Acid