NowThis - In 2017, the CDC released an infographic explaining how facial hairstyle can impact the effectiveness of a tight-fitting respirator mask. It recently resurfaced in response to coronavirus fears and safety
![New NIOSH Study Supports the OSHA Annual Fit Testing Requirements for Filtering Facepiece Respirators | Blogs | CDC New NIOSH Study Supports the OSHA Annual Fit Testing Requirements for Filtering Facepiece Respirators | Blogs | CDC](https://blogs.cdc.gov/wp-content/uploads/sites/22/2015/12/circle-head-4.png)
New NIOSH Study Supports the OSHA Annual Fit Testing Requirements for Filtering Facepiece Respirators | Blogs | CDC
![Under-mask beard covers achieve an adequate seal with tight-fitting disposable respirators using quantitative fit testing - ScienceDirect Under-mask beard covers achieve an adequate seal with tight-fitting disposable respirators using quantitative fit testing - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0195670122001694-gr1.jpg)
Under-mask beard covers achieve an adequate seal with tight-fitting disposable respirators using quantitative fit testing - ScienceDirect
![Hair today, gone tomorrow: How personal protective equipment guidance changed doctor's facial hair during the COVID‐19 pandemic - Sahota - 2021 - Health Science Reports - Wiley Online Library Hair today, gone tomorrow: How personal protective equipment guidance changed doctor's facial hair during the COVID‐19 pandemic - Sahota - 2021 - Health Science Reports - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/4796975e-fbc5-450f-8a71-8ae9d1d35097/hsr2278-fig-0001-m.jpg)
Hair today, gone tomorrow: How personal protective equipment guidance changed doctor's facial hair during the COVID‐19 pandemic - Sahota - 2021 - Health Science Reports - Wiley Online Library
![Assessing the effect of beard hair lengths on face masks used as personal protective equipment during the COVID-19 pandemic | Journal of Exposure Science & Environmental Epidemiology Assessing the effect of beard hair lengths on face masks used as personal protective equipment during the COVID-19 pandemic | Journal of Exposure Science & Environmental Epidemiology](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41370-021-00337-1/MediaObjects/41370_2021_337_Fig3_HTML.png)
Assessing the effect of beard hair lengths on face masks used as personal protective equipment during the COVID-19 pandemic | Journal of Exposure Science & Environmental Epidemiology
![Assessing the effect of beard hair lengths on face masks used as personal protective equipment during the COVID-19 pandemic | Journal of Exposure Science & Environmental Epidemiology Assessing the effect of beard hair lengths on face masks used as personal protective equipment during the COVID-19 pandemic | Journal of Exposure Science & Environmental Epidemiology](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41370-021-00337-1/MediaObjects/41370_2021_337_Fig1_HTML.png)