UV light can fight indoor allergens

A 30-minute treatment can help reduce allergies from pet dander, dust, and more. Breakthroughs, discoveries, and DIY tips sent every weekday. While ultraviolet (UV) light is harmful for human skin, it could be a new tool in the fight against airborne allergies. A study recently published in the journal found that UV light can disarm common indoor allergens in only 30 minutes. "We have found that we can use a passive, generally safe ultraviolet light treatment to quickly inactivate airborne allergens," study-author Tess Eidem, a microbiologist at the University of Colorado Boulder, said in a statement .