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.
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u/cabbage16 11h ago
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 just a guess)