CDC now says face masks can protect wearer from coronavirus But as long as mask-wearing is encouraged amid the COVID-19 pandemic, should they worry about facial hair interfering with the effectiveness of face coverings?Some experts say men should shave their beards in order to obtain the best mask fit, but others say it depends how long the stubble gets, and if their job requires a tighter-fitting respirator.The CDC has an infographic on facial hair and N-95s on its website, outlining styles that are safe, including handlebar mustaches and soul patches.