dull, drained skin with wrinkles and unevenness. FACE ADULTS 20% Vitamin C optimized to give skin a healthy glow! With its ultra-concentrated formula and optimized Vitamin C content, this serum instantly revitalizes the skin, revealing a glowing complexion and diminishing fatigue signs. Apply both before your typical cream in the morning and evening, or mix it in right away. Steer clear of the eye contour.