Concentrated Brightening Serum achieves a new pinnacle of skin radiance, helping to improve the look of dark spots in just four weeks, while increasing skin's clarity. The quick-absorbing serum helps visibly correct dark spots and hyperpigmentation caused by stress and environmental aggressors, including dryness and air pollution. The serum drenches skin in deep 24-hour moisture and enhances skin's innate ability to restore and protect itself.