alt Hacker NewsSometimes when I see muscular guy with a head full of hair, I wonder what is counteracting that increased testosterone.
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The comments here are unfortunately reddit-level of (in)correctness, but if you really want to know: testosterone doesn't affect your hair in any way, what does affect it is DHT which is synthesized from testosterone by your body with 5α-Reductase and the way to significantly dial down that process is to take 5α-Reductase inhibitors (widely available and affordable medications).
increased testosterone from working out is probably around 10-30% long time, which is a far lower variance than natural level variance in healthy adults. i think i heard from several (claimed natural) strength and bodybuilding athletes that their total testosterone is at the lower end of the scale.
that said, natural free test levels are at a fraction of what enhanced pro bodybuilders tend to supplement, and there are mass monsters with hair. cutler, yates, ferrigno and golden era bodybuilders like schwarzenegger, zane, columbu all had full heads of hair.
Probably some combination of Minoxidil, Finastride, PRP injections, and hair transplants.
Sometimes people just have good hair and spend a lot of time in the gym.
Even early 90s famous era mass monsters were not all bald.
Baldness is known to be related to a bunch of things: testosterone levels, something to do with blood delivery to the scalp, deeper genetic factors.
Surprsingly, for some of the cases scalp massage is known to help.