La Mer The Night Recovery Concentrate Treatment, 0. 5 oz. What It Is An extreme skin barrier wrap night treatment that helps speed visible recovery from acute skin stressors and key signs of sensitivities, including postderm treatment irritation. * *Helps visible signs of sensitivities associated with retinol and microneedling. What It Does This night treatment features a timerelease delivery system to accelerate skin barrier repair and speed recovery while you rest. How To Use Apply this skin tre