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Why showering less is a good idea, even during a pandemic
This seems like a really weird time to be talking about showering less.
I mean, during the pandemic, we’re all focused on staying as clean and germ-free as possible. And a hot shower is such a great way to wash away all the stresses of the day… and there are many these days.
But even now, doctors are talking about the downside of showering every day. They’re saying that you’d be better off waiting days or even — gasp! — weeks between showers.
One doctor has put this to the test — on himself.
How much washing is enough?
“Unless you are noticeably grimy or sweaty, you probably don’t need to shower more than a few times a week,” says Dr. Esteban Kosak.
Dr. Kosak points out only a few cases in which you should shower every day: if your occupation exposes you to viruses and bacteria, and if you exercise regularly since sweat on the skin can cause bacteria to increase rapidly.
Dr. Janette Nesheiwat, a family doctor in New York City, agrees. “If you are a doctor, paramedic, health care worker, construction worker, athlete or even a plumber, then you should shower daily, as you are in closer contact with bacteria, viruses and fungi.”
But according to Dr. Sandy Skotnicki, a Canadian microbiologist and professor of dermatology at the University of Toronto, showering doesn’t remove that many germs from your skin.
Instead, what it does remove is “the skin’s natural lipids, which impedes the skin’s barrier function, and in turn, can create a vicious cycle that sees soap causing more damage, stripping out even more lipids from the epidermis, and worsening skin chapping by over-frequent and overlong showers.”
In other words, too much showering with sweet-smelling body products removes the skin’s natural fat layer, which forms a protective barrier against the very microbes you’re trying to wash away.
Dr. Skotnicki says there are really only three body parts you need to lather up on a daily basis: your armpits, groin and feet.
True, doing this will make you smell, well, less offensive. But that’s not the real reason to focus on these three spots.
It’s because they are home to some of the most sensitive skin on the body, and therefore are prone to harbor fungal growth, and harmful bacteria that can lead to infections.
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Washing too much may increase cancer risk, too
Dr. Richard Galllo is a dermatologist at UC San Diego. He recently headed a study that uncovered a type of bacteria that we shouldn’t be washing away.
In this study, Dr. Gallo and his team covered one group of mice with Staphylococcus epidermidis, a bacterium that is present on most human skin.
Another group of mice were bathed in a different strain of the same bacterium. Then, both groups were placed in direct sunlight until they were tanned.
The mice covered in the first strain of Staph epidermidis developed fewer skin cancers.
Dr. Gallo thinks the reason is that this strain produces a compound called 6‑N‑hydroxyaminopurine, which seems to prevent the replication of tumor cells.
So, by washing away this bacterium that commonly lives on our skin, we’re opening ourselves up to greater risk of skin cancer.
Putting “less is better” to the test
Dr. James Hamblin is the author of the book Clean: The New Science of Skin.
In a nutshell, he argues that by constantly showering with sweet-smelling products to “clean” ourselves, we’re disrupting a microbiome on our skin that’s similar to the microbiome of helpful bacteria that live in our gut.
“If we go a few days without showering, even one day, we become oily, smelly beasts. But what if you push through the oiliness and smelliness .. and just go forward?”
Out of curiosity, he gave it a try. Five years later, he still hasn’t had a shower.
He washes his hands to prevent the spread of disease, and rinses his head to get rid of “bed head.” But he doesn’t use body soap or shampoo, and seldom steps foot in a shower.
At first, Hamblin admits, he waskind of smelly.
“But after a while, the idea goes, your ecosystem reaches a steady state, and you stop smelling bad. I mean, you don’t smell like rosewater or Axe Body Spray, but you don’t smell like B.O., either. You just smell like a person.”
Here’s a video of Dr. Hamblin’s conversations with two people who are in the forefront of learning about our skin as part of the greater microbiome that controls our health.
You probably don’t need to shower
Sources:
I Quit Showering, and Life Continued — The Atlantic
These Are the Only 3 Body Parts You Need to Wash Every Day, Doctor Says — bestlifeonline.com
In the Era of Hygiene, ‘Clean’ Author Makes the Case For Showering Less — npr.com
This Is How Often You Should Really Be Showering, Doctors Say — msn
You’re Showering Too Much — The Atlantic
A commensal strain of Staphylococcus epidermidis protects against skin neoplasia — Science Advances
By Joyce Hollman
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