I tried for about 6 weeks a few years ago and my hair stank like it was rotting. I couldn't even stand the smell of myself. I tried all kinds of stuff to get it clean, hoping the stink would go away--baking soda, ACV, coconut oil... It was just terrible, so I gave up. The static was insane, too, and I don't ever have static.
I decided to try it again in early April and it's not nearly as bad this time. It still smells a little like greasy hair when it's wet, but it's not the kind of thing that would gag anyone that had to ride in a car with me (at least, I don't think it's that bad). One thing--it gets really waxy. Not oily like I was used to when I'd a go a week between washings, but more like a dog's hair. And if I finger-comb it enough, my hand gets covered in that white residue like one gets after petting dogs. I did use lather from french milled soap (South of France brand, I think) once about two weeks ago, and it really took that waxiness away.
About a week ago I finally got a boar bristle brush (Goody brand, bought online from a dry goods store in Lancaster County PA) and it's about as useful as teats on a bull. Doesn't penetrate the hair except right near my hairline, where the hair is finest (the hair on the top of my head is finer and lighter than from my ears down to my neck and when I was a kid it was blonde on top and red on the bottom and people thought I had a bad dye job). Makes my hair super staticky, too. I prefer my regular old plastic brush, which just glides right through. I have buttcrack-length hair, and the tangles used to be so much worse.
I usually have my hair in a bun 24-7, but lately I've been trying to keep it down in a braid more; I think that helps my scalp air out a bit and the hair gets to move, so it probably helps distribute the oils. The scalp under the spot where my bun sits really hurt/ felt irritated for like two days and leaving it down took that right away.
I'll be honest: I have to go to the dentist soon for a long-overdue root canal (thanks, covid-19) and I'm kind of afraid that she's going to smell my hair and think I'm dirty or that the stink will give her a headache. Maybe I'll just wear a scarf and explain why. I don't want to wash my hair with shampoo and reset the clock.