TIAM’s Vitamin C24 Surprise Serum is a high-potency brightening treatment formulated with 24% pure vitamin C and 2% vitamin C derivatives to help improve the appearance of dullness, dark spots, pigmentation, and uneven skin tone. Enhanced with vitamin E and madecassoside for antioxidant and soothing benefits, this lightweight, water-free serum absorbs quickly to leave skin looking radiant, smooth, and refreshed without a sticky finish (30ml).