Check the listing for details. Obagi C FX C Clarifying Seurm 30ml 1oz NEW SEALED FAST SHIP. Condition: New. Listed at 78.98 USD. Obagi C FX C-Clarifying Serum 30ml 1oz 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 The hydroquinone-free formula won’t cause irritation or sensitivity Achieve a brighter, more youthful complexion with Obagi-C Fx C-Clarifying Serum.