I had very good success with using dr. lees topical spironolactone 2% as a single agent. It only took about 3 months to see results. The regrowth was so noticable that my stylist did a double take when she noticed it the first time. She said, "did you know you have thousands of 1 inch hairs growing all over your scalp, mostly in the crown?"
Again, I was using nothing else but spironolactone.