I had this problem for years in my teens and 20s, and the only things that worked for me were the Proactiv line and prescription Accutane (I took two rounds, one at 21 and another at about 30). I never break out anymore.

I am 25 and still have adult acne....as long as I take the pill regularly I dont breakout. Brands like Ortho Tricyclen should work great. Its free too if you have insurance now that Obamacare makes it a requirement to be fully covered

Freshly squeezed lemon juice worked for me. I applied it with a cotton ball.

Finacea/Azelex has essentially cured my hormonal acne.