u have is likely inhibitory subtype that leads to hypothyroidism
with bouts of hyperthyroidism
. ur eyebrow finding is called sign of hertoghe or Queen Anne's sign. it is seen only in 16% of Hashimoto's. dry skin is a feature of hypothyroidism. ur blood levels of TFT might be normal but u r not clinically normal. application of strong moisterisers would be Gud. moreover for ur skin and hair in Hashimoto's u need to take selenium
200 mcg everyday and Zinc 160 mg everyday for at least 6 months.