eCosmetics is an authorized retailer of Obagi. The Obagi-C Fx System combines Vitamin C and Arbutin to promote rejuvenation of skinu2019s appearance and enhance the appearance of even skin tone for a healthier-looking complexion.With Obagi-C Fx, youu2019re on your way to brighter, more even, and healthier-looking skin. Includes: C-Cleansing Gel - 6oz C-Balancing Toner - 6.7oz C-Clarifying Serum - 1oz C-Therapy Night Cream - 2oz Sun Shield Matte Broad Spectrum SPF 50 - 3oz