Tackling Towel Bacteria: Improving Our Health & Hygiene

Tyron Pretorius
5 min readApr 19, 2019

What is the most important thing to you in life?

Is it:

  • Friends and Family?
  • Health?
  • Sports?
  • Traveling?
  • Food?

Personally, my health is my #1 priority in life because without good health I wouldn’t be able to enjoy life fully and spend it with the people I care about most. This priority first became clear to me as I watched for years as my grandfather suffered with arthritis and other ailments in his old age that limited his ability to participate in and enjoy life.

I vowed to myself that I would do everything I can to ensure that I am as healthy as possible for as long as possible by controlling the elements in my life that I can control: my diet, my exercise, and now my hygiene.

Once I started working on a new product launch related to towel hygiene (more on that later), I began researching why towels get that moldy smell. The deeper I dove the more I was simultaneously amazed and repelled by the amount of bacteria that can be on our towels and the consequences this can have on health.

This is why I now take a much more different and conscious approach to how I use, dry, and launder my towels. This is also why I will be pledging on KickStarter for a project I am launching with a clever inventor who has created the Airfold Towel Bar to stop bacteria growth.

Photo by Denny Müller on Unsplash

“Unwashed, used, and moist towels have the highest risk for skin infections.”

Dr. Peter Barratt

Initial Washroom Hygiene [1]

In a study conducted by the University of Arizona, it was found that 90% of bathroom towels were contaminated with coliform bacteria (bacteria present in faeces) and about 14% carried E. coli [2]. Towels are prolific for breeding this sort of bacteria because they contain the moisture, warmth, and organic material that allow these bacteria to thrive, especially when they are hung in a steamy, dark bathroom with the door closed.

This is why the average towel was found to be harboring 164,000 bacteria per square inch and to put that in perspective, that is 465x more than your toilet seat [3]!

Whenever you dry yourself with a towel, you are depositing bacteria, viruses, and dead skin cells onto your towel providing food that bacteria like Coliform, E.coli, and MRSA need to grow. If your towel is not sufficiently dried before the next use, then this bacteria will cause a moldy smell that lingers in the fabric of your towel.

This means that the next time you use this moldy towel it is transferring those germs back onto your skin increasing the chance of spreading acne [4]. Although your own germs won’t make you sick, sharing towels will increase the risk of contracting a skin infection [4].

Whenever you dry yourself you are providing food that bacteria on your towel need to grow

“Whilst harmful bacteria do not usually grow outside the human body, they can survive for considerable periods of time on damp towels etc. and sharing such items with an infected person may provide the opportunity for cross-infection.”

International Scientific Forum

“Bath and Toilet Hygiene in the Home”[5]

The chief culprit in this regard is your hand towel because it is used frequently by several people and has the least chance to dry before being used again. If people don’t wash their hands correctly before drying, then they are essentially depositing bacteria on your hand towel, where it will only multiply and fester.

This bacteria growth is worsened when you are cramming hand towels and other towels on the same bar because this not only inhibits drying but it also spreads bacteria from one towel to the other. This bacteria transfer typically occurs from your dirtier hand towel to other towels that are in contact with it.

Overlapping towels allow bacteria and infections to spread from one person to another

“As long as it’s drying completely between use, there’s almost no chance of passing bacteria from one person to another”

Susan Whittier

Director of Clinical Microbiology, New York-Presbyterian and Columbia University Medical Center [2]

Based on this advice it is clear that towels should be hung up to dry with as much of their surface area exposed as possible, a criterion that traditional towel bars and hooks fail to meet. Whether it is double folding on a traditional bar or the overlapping folds of fabric hanging from a hook, moisture will be trapped making it easy for odorous bacteria to linger in the fibers of your towel.

Not only does this increase the chances for cross-contamination but it also means you will have to launder your towels more frequently to avoid that damp, musty smell.

Susan Whittier suggests that you might be able to get away with laundering your bath towel only once a week if it is drying sufficiently between uses but advises that once it starts to smell to get it in the wash asap! Since your bath towels are most likely not drying fully on your current towel rod or hook, this means that you should probably swap them out almost every other day.

Sound like too much hassle?

We Agree!

At Airfold, we are passionate about promoting the improvement of personal hygiene both in the content we share and the products we create.

We have just launched the Airfold Towel Bar on KickStarter which uses a radically, unique design to keep towels fresh for more than 1 week without using any energy.

This should help you to improve your hygiene while also reducing your number of laundry loads and allowing you to make a meaningful contribution towards the betterment of our beautiful planet.

The Airfold Towel Bar opens up every surface of your towel to airflow, drying more than 40% faster and stopping bacteria growth.

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Tyron Pretorius

Join me on an automation adventure as I share the cool ways to use APIs, programming, and all sorts of tools to make your life easier.