Tretinoin
"Hi everyone, I have had oily skin and acne since I hit puberty at 9 years old. I am now 39. It doesn't help that I also have keratosis pilaris, resulting in clogged pores on my face, arms, chest, and back. I am able to keep my body skin pretty smooth by using a 10% glycolic acid lotion  daily. The best for my face is Retin A Micro .1%. I see a lot of reviews here where people are ready to give up after a few days, a few weeks, or even a few months. I'm sorry to tell you, but you will NOT see maximum results with Retin A until about 7-10 months of regular use. You will go to hell and back several times during the process, but it's worth it. Suck it up, buttercup. You will also look much younger than your actual age. Bonus."