Mine did. Pre thyroid meds my scalp was a mess. Flakey and spotty. I do think it’s a lot to do with getting on meds now but I also think it’s down to the products I used. I try not to use anything (or regularly at least) that has sls in them as that strips moisture and can play havoc with the natural oils and condition of the hair and scalp. I just use head and shoulders now. The classic clean ones and it’s been a major improvement since.
Thought I was the only one!! Good to know I’m not alone lol
Could be Psoriasis?your description kinda sounds like it,very unpleasant as I have it.
Tea tree shampoo and conditioner can help too
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Vitamin D depletes Vit A and magnesium. Something about how our bodies can't turn it into what we need, but Vit D through sunlight we can turn it into what we need.