Neutrogena Rapid Tone Repair Retinol + Vitamin C Dark Spot Corrector Face Serum formulated with retinol and Vitamin C to target stubborn dark spots for more even skin tone. This advanced dark spot corrector works to renew the look of skin, by helping to brighten skin tone. Facial serum helps improve the look of stubborn dark spots and smooths the look of fine lines and texture, for smoother, more even-looking skin. It is specially formulated with retinol, a dermatologist-proven form of vitamin A, which fights fine lines, dullness, wrinkles and dark spots, and vitamin C, a known antioxidant which helps gently diminish the look of dark spots and skin discoloration for brighter, more even skin tone.