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Air Hand Dryers leave 254% more bacteria on hands

Nov 9, 2009

airdryerFor most of us, we are slightly disappointed to see air hand dryers in public restrooms after washing our hands. Environmental friendly factors set aside, those air dryers are just not as effective as old fashioned paper towels at getting our hands dry.  According to a  study by Effect Measure, an independent group of senior public health practitioners, you may have one more reason to be disappointed to see those dryers – every time you use an air dryer, the amount of bacteria on your hands increases by 254% and on the finger pads by 194%.

Additionally, most of the older hand dryers in use (and even some of the newer ones) have an internal screen that should be changed every 1-2 weeks. Unfortunately, most are lucky if they are changed every 1-2 years. This sad reality is not only is a waste of energy, but also keeps more bacteria, germs, and viruses trapped in the dust on the screens, which then is blown directly onto our hands when we dry them.

With the flu epidemic continually gaining momentum, the safety of hand dryers became a major concern at many universities, schools, and other densely populated facilities. At the schools where outbreaks occurred, they became a big enough concern that health department officials ordered them removed and replaced with paper towel dispensers.

If a restroom you use still has a dryer, public health practitioners recommend to wash your hands, skip the dryer, and then dry your hands with napkins, paper towels, etc. in the vicinity.

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72 Responses to “Air Hand Dryers leave 254% more bacteria on hands”

  1. tommysky - March 18th, 2011 at 10:05 pm

    hello, good topic for take care of hair. bacteria less hair is very nice, healthy hair, i like this. thanks

  2. Sheek@Small business accounting software - March 22nd, 2011 at 9:23 pm

    Really? That great number of bacteria? Amazing… I never imagined that this is possible and that is gross but I guess no matter what we do to avoid them they are everywhere.

  3. nikeclearance - March 24th, 2011 at 12:47 am

    really? that is beyond belief.

  4. Tommysky - March 26th, 2011 at 6:09 pm

    actually topic very beneficiary for health, pl. keep up

  5. Ben@Treadmill Review - April 18th, 2011 at 12:41 pm

    Why is the amount of bacteria so much higher on your hands after using a hand dryer? You’d think that oxygen was being used to dry your hands–but maybe not.

  6. Are Air Hand Dryers Unsafe? - April 27th, 2011 at 2:12 pm

    […] hands in dryer, it stated simply. That’s an awful idea, I thought to myself. Knowing that hand dryers leave bacteria on hands, I was shocked to see that I had no paper towel option for hand drying. Automatic air hand dryers […]

  7. Ben@Treadmill Review - June 1st, 2011 at 2:06 pm

    Paper towel dispensers just work better in general because they can just dry your hands so quickly. Don’t blow the germs around!

  8. NC Health Insurance Quotes - June 22nd, 2011 at 6:30 am

    ooooohhh, gross… guess i’m gonna have to keep using the anti-bacterial pump after washing hands… until a study comes out saying how much bacteria is on the anti-bacterial pump!

  9. fight club Miami - June 24th, 2011 at 1:27 am

    Actually, most electric hand dryers are powered by coal-fired power stations, not so clean. Most hand towels are made from farmed early-growth trees, which actually contribute more CO2 to Ox transfer than old growth trees. All assumptions of enviro-impact need to factor in the entire chain of production to become true statements.

  10. Molly - June 27th, 2011 at 5:28 am

    I never knew that about early-growth trees. Thanks!

  11. Tom - July 15th, 2011 at 6:08 am

    The air dryer is really just a bad invention.
    People don’t change filters enough, and they never get cleaned because even most cleaners don’t bother!

    I recently created my own blog, and posted about chosing one Janitorial product or another.
    It is basically me asking for some help, as I am new to running the business.
    Any help or advice would be much appreciated!


    – Tom

  12. MATC - July 21st, 2011 at 10:37 am

    How do people know that it’s 254% exactly? Why are they so much “dirtier” than normal paper towels?

  13. how to stop drinking alcohol on your own - August 4th, 2011 at 9:37 pm

    hi, I really liked your blog. I especially liked the idea of Air Hand Dryers leave 254% more bacteria on hands you mentioned in your blog. Is there any RSS feed available to your blog. So, that I can get regular updates :) thanks

  14. Theresa @Plastic Surgery Wichita Falls TX - August 6th, 2011 at 9:09 am

    I personally don’t used toilet paper and the dryer specially on public places. I used to bring my own wet tissue, sanitizer and alcohol when I go out.

  15. Acompanhantes SP - September 9th, 2011 at 4:58 pm

    Ok,Paper towel dispensers just work better in general because they can just dry your hands so quickly. Don’t blow the germs around!!!!!!!

  16. Molly - September 15th, 2011 at 5:43 am


  17. acompanhantes litoral - September 15th, 2011 at 7:15 pm

    Its Ok!

  18. crozzzlinx - September 22nd, 2011 at 7:22 am

    I have a baby, cleanliness is very important, thank you for the information you provide

  19. mark - September 27th, 2011 at 9:23 am

    Hey, your blog is always great to read, much well-written information and knowledge. Keep up the good work!
    Mark from Best DJ Software.

  20. custom screen printing - November 7th, 2011 at 3:54 am

    This is shocking. I live in Mexico and their are some air dryers that you stick your hands into to dry you off. I can imagine how much bacteria is in that. OMG I will never go near anything that blows again. Thank you so much for the information. Jasper Hotels | Kindersley Hotels

  21. Salvatore Primos - November 6th, 2012 at 5:38 pm

    Simply desire to say your article is as amazing. The clearness for your submit is simply excellent and i could think you’re knowledgeable on this subject. Fine along with your permission allow me to grasp your feed to keep up to date with approaching post. Thanks one million and please carry on the gratifying work.

  22. obat amandel - November 20th, 2013 at 5:10 am

    very nice information , thnaks

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