What level of photoprotection can be obtained using facial mask? Determining effectiveness using an in vitro method

It has become a general practice worldwide to wear face mask serving as barrier against the transmission of pathogens. This prompted us investigate whether masks could also protect our skin from UV radiation. We have studied eight masks, four surgical and “homemade” using an in vitro method. The study demonstrated that they all offered protection both UVB UVA As with clothing, fabric offer highest level