I think if you are considering it, you should go for it! It has really helped with my self-consciousness.
Have had trichotillomania since age 8 (I'm 29 now), and it was when I was about 20 that I started talking openly about it and not being embarrassed to tell friends that I had it. My loved ones are very kind and have reassured me over the years that they don't even notice it, especially when I have my brows done and am wearing eyeliner. It helps to remember that when you are speaking to people, they notice other things like the words you're saying, your actions, your facial expressions, more than they notice your brows! We always hyper focus on these things ourselves, but they are far less noticeable to others.
Edit: My brow lady is
http://www.semi-permanent-make-up-bristol.co.uk/ !