C-NU Serum is a stable and effective form of vitamin C serum with hyaluronic acid and tranexamic acid to keep the skin hydrated. It aids in skin repair and reduces inflammatory damage from day-to-day stress on the skin. It works best for taking care of dull tired skin and reduces brown spots and pigmentation. Vitamin C is known to help new collagen induction, helping thereby in conditions varying from aging skin to acne scar treatments for skin renewal.