La Mer The Concentrate 0.5oz New in box sealed

Brand new authentic New in box full size 0.5oz La Mer concentrate Strengthens skin against daily irritants, such as pollution and micro-dust, that can lead to signs of premature aging. Helps boost skin's barrier recovery in times of stress. 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.* Helps improve skin barrier strength in 14 days** *Clinical testing on 22 women, after using product twice daily for 3 weeks prior to a professional-strength skin peel. **Clinical testing on 23 women, after using product for 14 days.