1.7 oz/ 50 ml Item is new in box. Box has been opened for photographing purposes, White inner lid is in tact and has never been opened. 🔅Information from Kat Burki website: Our cult-favorite, healthy skin first moisturizer with 15% Stay-C (a stable form of Vitamin C) is the hero of our Prevention line. An infusion of vitamins and Reishi mushrooms quickly turn lackluster skin into glowing radiant skin. Calming the skin with our anti-inflammatory KB5™ Complex and MSM, antioxidants provide extra defense against environmental damage. Lavish on morning and night for an overall improvement that leaves skin looking healthy, nourished and cared-for. 🔅INGREDIENTS STAY C – stable form of Vitamin C is activated only when absorbed to protect, brighten, and tighten skin Wild Reishi Mushroom – promotes cell regeneration while repairing free radical damage and reducing inflammation KB5™ Complex – helps soothe skin and defend against environmental aggressors Ocean Mineral Complex – strengthens skin structure while activating enzymes MSM – allows skin to be more absorbent and receptive to hydrating ingredients