The Ordinary - Antioxidant Serum-EUK 134 0.1% - 30mlEUK 134 0. 1% Antioxidant Serum Serum with strong antioxidant effect. EUK 134 0. 1% is a serum with a strong antioxidant effect. The serum reduces the harmful effects of free radicals, rejuvenates and prevents skin aging. Protects skin tissue from toxic bonds, reduces blush and redness, protects against DNA damage caused by ultraviolet radiation. EUK 134 is one of the few protooxidants used in cosmetics that has the ability to self regenerate, thereby