My Tartan 30 was awlgripped six or seven years before I bought it and the hull had become a little hazy. All of the conventional wisdom said not to do anything, but I found that MEK (methylethyl Ketone) was good to use as a wash and if you need to polish I believe that I used 3M finesse polish with a wheel to bring the shine out.
Awlgrip is so hard that it is hard to do anything to damage the paint. I even repainted my transom and blended it in successfully.