Neutrogena Rapid Tone Repair Dark Spot Corrector instantly brightens skin, with a high-potency formula that absorbs quickly to deliver our highest concentration of Vitamin C. With highly concentrated Accelerated Retinol SA, this advanced corrector works to renew the look of skin, brightening skin's tone and helping to improve the look of stubborn dark spots and discoloration, revealing noticeably more even, younger looking skin in just one week.