I get a touchup every 12 weeks with no problems whatsoever. Everytime I hit the 5 or 6 week mark, my scalp starts to get sore. I have a normal amount of newgrowth around that time and it's the only thing that I can think of that would make my scalp sore. I don't have excessive itching and I only massage my hairline. My scalp is not dry and I don't have dandruff. So, does a sore scalp mean that hair is growing? *Don't know if this question has been addressed, so don't scold me for not searching /images/graemlins/grin.gif.