Evee420;
I have checked my version of the Physicians Desk Reference and can find no ties to Hair increase or decrease with Glucophage/Metformin. The primary use of this medication is for type 2 diabetis which you know. But from my personal experience, it seems to me that the hairs on my skin have actually increased while taking it, instead of having the hairs decline.
I would be interested in knowing why your doctor choose this medication when the cause is excess testosterone.
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Martha Montgomery, CCE
Puget Sound Electrology