Beard Stubble: Style Statement or Pathogen Paradise?
Frequent touching of the beard, often with the hands, can spread germs from the environment.
Research over the past 50 years has shown that bacteria and toxins can persist in beards even after washing. This has led to concerns that beards may harbour bacteria, which could increase the risk for infection.
Healthcare Context
In healthcare, beards remain a topic of debate, particularly regarding the spread of hospital-acquired infections. Studies have shown mixed results; some have found higher overall bacterial counts on the faces of bearded healthcare workers than on those of their clean-shaven peers, while others have reported no significant difference.
One study comparing hygiene levels in human and dog MRI scans found that men's beards carried a higher microbiological load than canine fur, including potentially harmful bacteria. Interestingly, the same study also showed that bearded doctors were less likely to carry Staphylococcus aureus, a key cause of hospital-acquired infections, than clean-shaven doctors. In addition, patients treated by bearded surgeons did not have higher rates of postoperative infection.
Skin Infections
Beards can spread skin infections, such as impetigo, a contagious condition typically caused by S aureus, which can colonise facial hair. In rare cases, parasites such as pubic lice (Pthirus pubis) have been found in beards, eyelashes, or eyebrows, particularly in situations involving poor hygiene or close contact with an infected person.
Beard Care
Neglected or poorly maintained beards can cause skin irritation, inflammation, and infections. The underlying skin is sensitive, as it contains many blood vessels, nerves, and immune cells, and can be easily affected by oil, dead skin, and environmental factors. Experts recommend daily cleansing of the face and beard to effectively remove dirt, allergens, and microbes. Dermatologists also advise regular moisturisation, using a beard comb to clear out impurities, and trimming to manage stray hairs and support healthy growth.
The hygiene of a beard largely depends on how well it is cared for; when cleaned daily, it does not pose a significant risk.
This story was translated from Univadis Germany.
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