actually, I had the opposite happen, my hair has gotten curlier with the increase in armour..I'm on 32.5 mgs HC and 3 3/4 grains armour (rx'd 3 1/4; self treating the extra 1/2 grain, planning to add another 1/4 here the first of august).
Curly hair can be a side effect of low adrenal function, albeit fairly rare.
How much armour are you on? Have you checked aldosterone function?
2cFii-ish with 3a moments. Always subject to change.
I'm voting for Bunny.