Aaaaaanyways, getting back to beards:
Beard sun protection - MensJournal.com
"Beards can reduce anywhere from 50-95 percent of the ultraviolet (UV) rays reaching the skin underneath, according to a study conducted by researchers in Australia. "Facial hair has an Ultraviolet Protection Factor (UPF) of anywhere from 2 to 21," says Alfio Parisi, one of the study's authors and professor of radiation physics at University of Southern Queensland in Toowoomba."