CosMedix CosMedix Mystic Hydrating Treatment 5 fl oz $42.00 CosMedix Mystic Hydrating Treatment: Utilizing heavy water (D2O) in place of pore-clogging oils, Mystic is a superior moisturizer for oily and blemish-prone skin. Applied mornings or throughout the day as needed, this refreshing... Choose Options Add to Wish list Compare