REN Skincare Flash Defense Anti-Pollution Mist is an enpray that protects the skin from harmful contamination. This mist is an absolute must-have for urban people, as it protects against pollution and free radicals. It helps to strengthen the skin's natural defenses, as well as its ability to purify itself. REN Skincare Flash Defense Anti-Pollution Mist can be used for all skin types and can be used over makeup if you need to be refreshed during the day.