this post was submitted on 20 Mar 2025
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Even washing hair regularly is a scam. If you wash once a week your hair will be fine. It'll look like shit for a few weeks until your scalp gets the message that you aren't stripping away all the natural oils still and that it can cut back on oil production but afterwards your hair will be healthier.
I'm sorry to have to say, but the idea of "hair training" is a myth.
The oil glands (which are known as sebaceous glands, and produce an oil called "sebum") are controlled by genetics, hormones, and stress. Sebaceous glands don't have any sort of "sensor" to tell them when to produce more/less oil, so washing or not washing won't make a difference.
Thank you. I have extra oily hair so if I skip washing it even a single day it starts to look like I'm using pomade, and whenever I tell people this they always insist I should just wash it once a week and my head will "adjust."
I am the exact same, friend. My hair becomes a big oil slick after only a day without washing and it's really obvious. Which is part of why this particular myth bothers me so much.
First, as teens, we had uninformed randos without oily skin telling us to heal our acne problems by putting nonsense like toothpaste and silly putty on our faces. Now, those same uninformed, non-oily randos tell us that our greasy hair can be solved by not washing it.
But my dermatologist was right about the acne care they recommended, I'm inclined to trust them about my scalp care too.
Yep, I had really bad acne when I was younger and the only thing that worked was isotretinoin, which is rough. My lips cracked and bled while I was taking that but when I was finished the acne was gone.
They made me pledge not to get pregnant while taking it despite the fact that I don't have a uterus, lol.
I took that stuff too (aka accutane). Severest depression I've ever experienced but I'm thankful to only get the occasional acne as an adult now.
I knew /r/nopoo was a lie!
This is true, but greasy hair looks greasy and makes your pillow smell bad which impacts your ability to fall asleep.
Like sure, it's not natural to wash your hair every 2/3 days, but imo it's worth it
No, your hair stops becoming greasy. That's the point. It gets that way because you're stripping the oils, so it produces more to replinish it. If you stop then your scalp eventually adjusts and stops producing much oil.
People think greasy hair is just what happens, but no. It's what happens when you've been stripping your hair dry for years and your scalp is trying it's best to fix the problems you're causing. Stop causing problems and it'll normalize.
I wash with water frequently, but when I really need a good clean I wash with conditioner. The oils bind and are removed but your hair will be refreshed. I rarely wash with shampoo, for years at this point, and my hair isn't greasy. It just feels healthy.
I can assure you my gf and I both invalidated this assumption during the covid19 lockdown. I have a friend who has thick grey hair and he never ever washes it. I guess we are all different on that matter because I can't even skip a single day (it gets scratchy and my skin starts to fall appart), as others testified in the comments.
Yeah, it's definitely different for every person. I don't think anyone's going to argue with that.
Please do explain how an exocrine gland on the scalp is supposed to know how much oil is on a strand of dead hair cells, located inches away from the skin?
I think that it's because the scalp itself gets dried out from too much washing, so the glands respond to that.
When the scalp skin "normalizes" the hair slowly normalizes as well, since the oil travels down the strands.
That's my guess. I went from shampooing daily to every other day and at first I would get an itchy, gummy scalp. But eventually that gummyness worked it's way out. Every time I shampooed I would get that dry, gummy scalp the next day.
So eventually I shampooed less and less. Now I don't shampoo at all. I just rinse daily with water and massage my scalp.
It doesn't know. That's stupid. I assume if it's cleared by shampoo then it has an easier time excreting more. It could also be that shampoo causes it to produce more in some way chemically, or that the oil shielded it from something that causes it to produce more. I don't know the mechanics of it, and I don't think there's been any research into it. All I can say is that my scalp seems to have stopped producing as much oil when I changed how I clean my hair.
I've seen one person post one article saying it isn't real. I read it. It doesn't have any research behind it. It only makes claims like the glands not having sensors. Sure, but many parts of our body perform differently based on different circumstances without sensors. To dismiss all the people with experience with no experience or evidence is pretty short-sighted. I'm sure that doctor is intelligent and knows her stuff to some extent, but she overreached with her conclusion without doing any analysis.
I'm a head-sweater so when I work out my hair gets as wet as it would in the shower. I'm not gonna leave it like that, it'll be stinky.
Yes, not all advice/recommendations apply to everyone. Specifically: our bodies vary quite a bit and they also change over time.
100%.
Use a shampoo that has aloe as the primary ingredient as well. Can comfortably make it a week and half before it looks gnarly.
Routinely get complimented on it so I know its not nasty.
Huh, I didn't know that. But I mean I gotta shower every couple of days at most anyway or I feel gross, so might as well.
Hair training is a myth, so take their advice with a grain of salt.
Duly noted, thanks.
Oh, I shower every day with soap. I just don't wash my hair every day. I also feel gross without a shower.
Soap is also not great for your skin; you don't need to soap up more than your armpits and underwear area.
Apple cider vinegar and tea tree oil baby. (I am not a gross hippy, shampoo dries the f out of my hair and Ive gone no shampoo for ~10 years)
Your hair isn't left smelling of the vinegar after?
It rinses out really well, and the tea tree oil is used to negate any residual smell
Main reason I do vinegar is because it strips out maybe 60-70% of the oils vs shampoo