This potent barrier serum strengthens skin against daily irritants such as pollution & micro-dust that can lead to signs of premature aging. Even in times of extreme stress from treatments like peels & lasers The Concentrate helps boost skin’s barrier recovery. Concentrated Miracle Broth™ ensures an ideal state of rest & repair while reducing the appearance of visible signs of irritation. Skin appears stronger visibly soothed & renewed. When used for 3 weeks before a professional skin peel The Concentrate helped skin's barrier strength begin to return to pre-treatment levels in the hours immediately following the peel.** Clinical testing on 22 women after using product twice daily for 3 weeks prior to a professional-strength skin peel.