12 O'clock Vitamin C Serum, a skincare powerhouse designed to brighten, rejuvenate, and tighten your skin. With a carefully balanced less than 10% Vitamin C concentration, this serum delivers the perfect dose of this powerful antioxidant to enhance your skin's radiance and combat signs of aging without overwhelming your skin. Its formulated with stable Vitamin C derivatives to prevent oxidation and deliver long-lasting results.