Reduce wrinkles and dark spots with this vitamin C serum.Improve the appearance of dark spots and other signs of aging with Obagi-C Fx C-Clarifying Serum. This concentrated serum works to fade dark spots while minimizing the signs of aging. A safe alternative to skin-lightening products that contain hydroquinone, this solution uses a potent blend of arbutin and vitamin C to provide visible results. This product is an excellent choice for anyone who cannot tolerate hydroquinone or those who need a treatment to use in between cycles of hydroquinone.Fades dark spots with 4% arbutin.Minimizes wrinkles and provides antioxidant protection with 10% vitamin C.