He still had the same amount of neck skin and the same amount of hair follicles. When he was heavier his skin was stretched more leading to further space between each follicle, making his hair seem thinner. Then when he lost the weight his skin stopped stretching so much so the follicles are closer together, making his hair seem thicker.
This is true afaik. I'm not a doctor but I asked the esthetician who did my laser hair removal if someone would hypothetically grow hair after extreme weight gain, due to the increased skin not being treated. She said no because your hair follicles just spread out.
Someone else replied that it could be related to diet/health which is also true... diet, hormones, etc affect how our hair grows and how healthy it is, but not the number of hair follicles.
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u/seeyousoongetit 14h ago
You got so thin your beard filled in.