What it is: An antioxidant prep-step essence that penetrates surface layers to boost luminosity, hydration and the effectiveness of your skin care.What it does: This liquid treatment provides protection from indoor and outdoor pollution, plus digital light, while increasing smoothness, luminosity and suppleness. It minimizes the look of pores and fine lines, hydrates and preps for next steps in your skin-care routine. The star is kombucha, a fermented black tea rich in antioxidants.Key ingredients:- Advanced metabiotic is an active ingredient technology that supports skin's enzymes to help visibly repair the effects of oxidative stress- Artemisia flower extract improves homogeneity for a more luminous, even complexion- Kombucha is fermented black tea rich in antioxidants that help smooth skin, increase luminosity and deliver 24-hour protection against the effects of environmental stressors- Hyaluronic acid helps attract and maintain moisture to enhance suppleness for soft, smooth, plump-looking skinResearch results:In a clinical assessment of 33 subjects in 8 weeks, users observed:- 46% increase in luminosity- 41% increase in skin clarityIn a self-assessment of 33 subjects in 8 weeks, users observed:- 35% smoother skinIn an instrumental test of 31 subjects, users observed:- 42% increase in immediate hydrationHow to use: Gently pat over cleansed face and neck with your palms. Use daily to prep skin for your serum and moisturizer. Made in France