Derma E: Vitamin C Concentrated Serum. Our concentrated Vitamin C serum beautifully brightens the appearance of your skin. Dermatologist recommended and clinically proven, this serum is formulated with a stabilized form of Vitamin C, Stay C-50®. This allows the product to work more effectively than non-stabilized forms of vitamin C which can easily degrade and lose potency, diminishing their benefits even before applying. Combining Stay C-50® vitamin C with powerful antioxidants and nature's moisture magnet, Hyaluronic Acid, our affordable vitamin c serum leaves skin looking brighter, more even, and smooth. Clinically Tested – Measured Results* 100% Improved appearance of fine lines and wrinkles 95% Improved skin’s brightness 92% Skin tone appeared more even 92% Skin appeared firmer-looking. *Based on questionnaire results from independent 6-week clinical studies on the Vitamin C line. Vitamin C Serum Benefits The intensely moisturizing formula boosts hydration. Antioxidants guard against harmful UV rays and other environmental stresses. Vitamin C may brighten the appearance of your skin while retexturizing your complexion. The serum encourages collagen health. The formulation has strong anti-aging properties, working to diminish the appearance of fine lines, wrinkles, uneven skin tone, and age spots