My flap was taken from the inside of my wrist as well, but there were still some hairs that came along for the ride. They went away after maybe six months, although I did have radiation, so maybe that's what killed the hairs off.

Dx 2014Jan29 (42 yr old otherwise fit nonsmoker)
SCC tongue stage III T3N0M0
subtotal glossectomy, partial neck dissection, RFFF, trach, NG tube 2014Feb25 16 days in hospital
RAD 25 zaps 2014May5-2014Jun9
Back to work, paddling & hiking shortly afterwards