Sore scalp from biotin?

I've been taking biotin since November 25 and on Friday, the crown part of my head was slightly sore. It occured the next day and is even slightly sore today. I've heard of this happening before to other individuals but has anyone else experienced this from taking biotin?
 
My scalp is a lil sore today too in the crown area. Can it be from hair growing in (i hope so!!!). I have been taking Biotin for a few weeks.
 
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