I've had AA pretty much my entire life. When I was little I had a patches of hair that just never grew. That went into remission for a few years then came back when I was in high school. I've been doing scalp injections for the last decade probably. It keeps the AA in check, but I never have had full re-growth. My AA has always been pretty easy to cover up, until the last six months when I developed a patch towards the top of my head. My hair is noticably thinner (to me anyway) and I'm…