If male pattern baldness is caused by testosterone, why are hairs on top of the head more affected by it and hairs like eyebrows, beard, inside ears etc, are affected less?
In: Biology
After working for years in laser hair removal and studying how to get rid of hair and also how to grow more hair, I’ve learned one thing.
It’s just how it works. Use the tools.
I’m sure there’s an excellent, complicated, explanation but it just is what it is. It’s the way the hair follicles respond to hormones. The hair on the top of your head is different from the hair on your arms. It’s different from the hair on your back. It’s different from pubic hair. Hair on the upper lip is a pain in the butt for everyone. Hardest area to treat for removal, man or woman.
All areas respond differently. I grew chest hair in my late 20’s then lost it again. All the hair fell out on my legs at some point. My eyebrows are getting dangerously towards Thufir Hawat level. My hairline receded then stopped. Suddenly, my beard is heavier than it ever was which is really irritating. My pubic hair is advancing towards the enemy.
Biologically, it’s simply the type of hair follicle. They are all different in how they react to hormone levels.
My brother found that sub-therapeutic Propecia works for him for thinning. He was getting thin up top, and it magically worked. It did change his hair color a bit but now he’s got a fine crop of hair again with a new hairline.
My uncle, who started shaving every day at 13 was almost bald by 20 but has a beard that would rival Father Christmas now in his 70’s. Also, completely bald on his legs and arms. My grandpa, his father, kept a full head of hair. When he died in his 90’s, the only bald spot was his military crew cut that he had since WW!!. He always kept a proper one.
Hair is weird. You treat it as you see it. Once you’re used to it, you know what to do. It does take a lot of training and practical experience.
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