15% L-ascorbic Acid Lauded for its superior antioxidant benefits, this highly potent form of pure vitamin C helps neutralize free radicals and protect against oxidative stress while providing visible anti-aging benefits. 0.5% Silymarin Powerful plant-based antioxidant derived from milk thistle that helps prevent oil oxidation and provides antioxidant protection against free radicals. 0.5% Ferulic Acid A plant-based antioxidant, ferulic acid neutralizes free radicals and enhances the antioxidant benefits and stability of vitamin C. 0.5% Salicylic Acid A beta-hydroxy acid provides effective exfoliation, refines pores, and helps reduce the formation of blemishes.