Soaps, paints, and cosmetics could be key cause of smog over fossil fuel emissions.

According to a study from the National Oceanic and Atmospheric Administration (NOAA), household products such as soaps, paints, and other cosmetic items pose surprising threats to our indoor air quality. These unlikely pesticides have led scientists to reconsider the alleged primary cause of smog in the Los Angeles area, which was vehicle emissions. “Volatile chemical products used in common solvents and personal care products are literally designed to evaporate,” explained Jessica Gilman, co-author of the study published in Science. “You wear perfume or use scented products so that you or your neighbor can enjoy the aroma.” So next time you spray air...

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