Gamma Linolenic Acid (GLA) Ottimo Emolliente Idratare Anti-age Gamma Linolenic Acid (GLA) description Fatty acid used in cosmetics as an emollient and antioxidant. GLA is considered a skin-soothing agent. It’s found in black currant oil or seeds, evening primrose oil, and borage oil. Related ingredients: Fatty Acid GLA