What It Is:A potent barrier serum that strengthens skin against daily irritants, such as pollution and micro-dust, that can lead to signs of premature aging. What it does: Helps boost skin's barrier recovery, even in times of extreme stress from treatments like peels and lasers. Concentrated Miracle Broth ensures an ideal state of rest and repair, while reducing the appearance of visible signs of irritation. Skin appears stronger, visibly soothed and 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.Key Ingredients:Concentrated Miracle Broth: La Mer crafted an ultra-potent form of cell-renewing Miracle Broth for three days and three nights to maximize potency. This powerhouse elixir helps calm the look of redness and other signs of irritation while energizing renewal. Lime Tea Concentrate: La Mer's proprietary antioxidant powerhouse helps neutralize free radicals to help protect skin from environmental stress and pollution. The Stabilizing Ferment: Born of a unique, stress-exposed marine powerhouse, this proprietary ferment is designed to help strengthen fragile, irritated skin, bringing it back to its center of power.