What it is: A potent barrier serum with a concentrated form of cell-renewing Miracle Broth™ for skin that’s stronger, more stable and visibly soothed.What it does: Each day, exposure to environmental stressors like pollution can cause inflammation—a root cause of premature, visible signs of skin aging. With barrier-building benefits and new antioxidant power, The Concentrate is your double source of strength against these daily irritants. Concentrated Miracle Broth™—a super-potent form of the brand's powerhouse elixir—helps reduce the appearance of visible signs of inflammation and helps visibly calm skin so it can focus on natural renewal. With daily use, skin emerges stronger*, more stable and visibly soothed. *After just 14 days, skin’s natural barrier was significantly strengthened (clinical results on 23 women). How to use: With the wand, smooth a small amount onto fingertips. Gently press and massage onto skin at least twice daily or as needed. Follow with moisturizer.