Brand new in box Perricone MD H2 Elemental Energy- Hydrating Booster Serum. Size 30 mL (1 fl.oz.). This is a great way to try a new product without breaking the bank, to see if it is a good fit for your skincare regimen. Long time dermatology nurse here and I loved it but moved on to other products! See photos for review/description of product. key ingredients: H2 Energy complex Vitamin C Ester Hyaluronic Acid Fragrance Free Lightweight, fast absorbing gel delivers powerful hydration to visibly smooth, soothe, and plump without irritation. Over time, fine lines and enlarged pores look dramatically smaller and complexion looks brighter.