Why Do Feet Smell?

Why Do Feet Smell?

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Do you stress out going through airport security? Can’t stand going to your best friend’s house because you have to leave your shoes at the door? Would it make you feel a little better to know that technically it’s not you that smells disgusting? Let’s get into the chemistry of why your feet reek. (Reactions Splash Intro) To understand how your feet produce those nasty odors, first we’ve got to talk sweat. Your body is covered in glands that secrete sweat in order to cool you down. There are spots on your body that have much higher concentrations of sweat glands, your feet being number one of the list. Sweat is actually odorless on its own, but it plays an integral role in fueling the stench. Shoes and socks don’t leave much breathing room for your feet, which trap in all that sweaty moisture – all the better for a bacterial family to settle down and start a life, but they do have other specific criteria to check off a list first. The best environment for bacterial growth involves these four qualities: Your feet are warm. They’re sweaty. There’s oxygen getting into your shoes, and the dead skin on your feet is a nutrient buffet for bacteria. And when these bacteria feast, they spit out nasty gases – the main culprit of your stinky feet. These are the three main stinky bacterial waste products. (Text onscreen – Methanethiol, propanoic
acid, isovaleric acid). Methanethiol makes your feet smell like sulfur And is produced when dead skin is eaten up by a genus of bacteria called brevibacteria. This stuff smells similar to a limburger or munster cheese. Nice. Isovaleric acid is another compound that shares the cheesy aroma, along with a sort
of rancid, vinegar-like scent. Isovaleric acid is produced when a bacteria
called Staphylococcus epidermis chow down on your dead skin. Propanoic acid adds a rancid, sour smell and is produced by propionibacterium when it gobbles up amino acids found in your sweat. Every time you put your shoes on, you basically refuel these three odor -causing bacteria and perpetuate the stinky feet cycle. So here’s what you need to do to get
a grip on odor control. You want to target sweat, dead skin, and
the bacteria they support. You can wash your feet with antibacterial soap and also use a pumice stone to remove dead skin – cutting out that bacterial food supply. Obviously, use fresh socks daily, and also make sure they’re made of a breathable, natural material like cotton to let moisture out. When you take your shoes off, let them air out and try to keep them dry. To keep your feet dry, you can actually use the same antiperspirant that you use for your underarms. Follow these steps, and kiss your foot shame goodbye. On the topic of smells, check out this video on why garlic gives you bad breath. Also we’ve got this interesting one
on human pheromones. Thanks for watching folks, make sure to hit the subscribe button on the way out, give us a quick thumbs up and hit us with your chemistry questions in the comments. We’ll see you again very soon.

46 thoughts on “Why Do Feet Smell?”

  1. This is very useful. It's so funny because I stumbled upon this video right as I was thinking about smelly feet in my office today. What a coincidence

  2. Do people really find the smell disgusting? I mean… I guess it matters who it's coming from, but I personally find the smell of feet to be a turn on. I guess it also matters which smell… I'm referring to that smell you get after running around in sandals for a long time and they get all wet and mixed with dirt. When they dry off they have this sort of vinegary smell that drives me insanely horny if coming from a hot girl. I like to not shower after my runs too so I can smell my feet while I jerk off. I also love the smell of my dry jizz… it's like, this sweety and sour smell that lightly smells of dogs fur. The smell of sweaty womans ass smells good too ommm… I need to jerk off again, I can't believe people don't find these smells attractively; clearly other animals like dogs do as they are constantly sniffing each others ass :3

  3. I just BLAST the inside of my work boots with my wife's hair dryer after work, half hour each. Keep them dry. Put on dry socks midway through the work day. Wash your feet TWICE when you bathe. Don't put on stinky footware after you bathe.

  4. I don't know. I always heard feet are stinky but I guess people are so sensitive about their feet, they take care of them so they don't smell. Women seem more comfortable removing their shoes around others but men rarely do, at least in my world of life. I can't say that I have ever been around guys with smelly feet. Women on the other hand….

  5. I have this maid that goes for vacation fro 3 days and she has sexy shoes she sweats and wears without socks she comes back she puts them in the bathroom she usually goes out to th mall and like that then I make a joke saying I need to use the toilet I run and take a shirt and get it and smell it it’s so sweaty it’s smells so good girl feet espicslly i put my balls inside and wish my balls ar inside and she steps they are rly sweaty and nice and I smell her bed to I’ll let her kick my balls naked and her without shoes and with shoes they are just so nice without socks smell is killing its incredible started when my dad used to run when. I was 6 I used to smell it and I’m gonna smell them now from a longer vacation yessss

  6. i didnt watch the video but i clicked on it because im mad that i had to see fat sausage feet when i look at my recommended so if i see any other feet in my feed im gonna be frickn mad

  7. Y’all take shoes off at airport security?

    Guy at the gate looked at me then at the passport and said “yeah looks similar I guess”

  8. Feet smell. therefore woman's feet smell. This is because God is good and he loves us all.( I'm actually an atheist but you get my point), I goddamn love woman's foot oder. You take that away from me, I would be pissed.

  9. to get rid of foot odor you could go barefoot as often as you can especially when your outside. you could use deodorizers such as baking soda.

  10. No lie my feet once smelled so bad it smelled like shit or worst my little sister was like whats that smell and i said fuck idk but it does smell like shit and she never knew it was my feet 😂😂

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