Strange question for those who exercise... how often do you wash your hair?

For starters, I'm not drenched in sweat after every workout. And you probably shouldn't be, either, although I'll admit I could be wrong depending on your goals and current fitness level.

I shower ever morning before I leave the house. Condition my hair every morning. Shampoo it maybe twice a week. A lot of people have been finding that if you shampoo your hair too frequently, you'll strip the oils away and your body will go into overdrive making more and more oil to compensate. If you don't shampoo it quite as often your body doesn't make nearly so much.

Also I shower after some workouts, as needed, and before sex. If I go out and run 5 k, I'll need a shower; if I walk, I won't. Hill repeats on the bike require a shower, but an errands ride at a moderate pace where I don't work up a sweat doesn't require one.

Moderate paced exercise burns calories, and does more to improve cardiovascular fitness than something like HIIT for most people.

I wash my hair pretty much every day, unless it's a weekend and I have nothing going on and can just throw it up in a ponytail with a sweaty band. I tried the "no-poo" thing for three months and my hair never adjusted, it just kept making oil, plus after I worked out my head was stinky. So even if oil weren't an issue I'd still have to wash it after exercise, unless like I said I'm just working around the house or going to my parents'.

I shower after every workout, but won't use shampoo. I'll rinse with water and add more conditioner and then style with what ever product I feel like. I tend to keep the product away from my roots to get more washes where I look presentable. I'll wash 1-3 times a week depending on how gross I get or how presentable I have to look.

Coarse and curly here. I work out once or twice a day, wash hair about twice a week. Sometimes once, sometimes 3x. Usually wash and style twice a week and ponytail in between, sometimes can get a second good hair day out of a wash. It really never seems to stink, just sort of stretches out over the days I don't wash because it's pulled back.

I think you are right that the overshampooing is overstimulating your scalp and causing the oil.

Put your hair up when you work out, leave it up when you shower, take it down and see what you have. Maybe it will be fine.

I ALWAYS have to wash it after beach or pool, but sweat just seems to dry and leave no trace. I'll note that my hair is extremely resistant though, it isn't really getting wet to the core, the water just sort of stays on the outside of the hairs.

I tried stretching washes to twice a week and ended up with a scalp fungus (similar to ringworm). It's just too humid where I live, I guess. Now I try to wash Mon, wed, Fri after my morning workout. I also do evening workout mon-thur and morning only fri-sun and sweat at each and every one. On weekdays that I don't shampoo, I might rinse the hairline or roots with hair bunned and then use dry shampoo before styling. Dry shampoo helps with the oil. Of course, sometimes I still have to do a full wash more often because I'm just too sweaty!

I just shower (and shampoo & condition) every morning. I workout at night but I only get a little damp with sweat. I just eat dinner and go to bed.

One problem I had for awhile was feeling like I had gunk in my hair near the crown, even right after I shampooed. It wasn't grease, it was build up from shampoo, hairspray, etc. I use normal shampoo 6 days a week, and then use a "Clarifying Shampoo" once a week. It strips all the grease and build up out of my hair. You just don't want to use it every day or it will dry your hair out.

Thick & curly hair here, so I wash 1x a week or 1x every two weeks depending on how long I can make the style last and how lazy I'm feeling. I hate detangling my hair.

I have curly hair. I sweat a lot but not always drenched. I workout inside my home so it's not like my hair get smelly. I have curly hair and just rinse it with conditioner to remove tangles before fixing it. If you have straight hair invest in dry shampoo.