Hazy, hot, humid and smoggy, too. Eighty percent of the world's population lives in areas that exceed the air quality limits recommended by the World Health Organization (WHO), and are therefore more prone to develop acne, psoriasis, eczema and atopic dermatitis, according to Chemyunion. That's why the active ingredient maker has rolled out several ingredients that it maintains are scientifically proven to protect against the harmful effects of urban life. They are: • SkinBli...