Medix 5.5 facial serum with Retinol helps clarify skin and supports a healthy looking complexion. Hyaluronic Acid provides a dose of hydration to your skin, while Ferulic Acid softens expression lines and creases. improve the look of hyperpigmentation and sun damaged skin with this lifting serum. Use this brightening face serum with your favorite moisturizer, like our Medix 5.5 Retinol Cream or Medix 5.5 Collagen Cream! No need for a prescription with this potent face serum!