Skinceuticals Phloretin Cf Gel Serum-in-a-gel Antioxidant Treatment 30ml(1oz) SkinCeuticals Phloretin CF serum is a phenomenon when it comes to providing photo-protection and un-doing the signs of sun damageÑand now, you can get the same fabulous formula in a light, fresh gel thatÕs perfect for sensitive and combination skin (or anyone whoÕs partial about the texture of their potions). This new formula is made possible thanks to breakthough serum-in-a-gel technology that allows for effective delivery of phloretin, vitamin C and ferulic acid. Together, this power trio divides and conquers damage at every level, foiling free radicals and other mischief-causing molecules. SkinÕs support structure is strengthened on the inside, leaving it firm, youthful and radiant on the outside.