Adapalene
"So I've been plagued my acne since I was 22. I'm now 25... I went to see a dermatologist eventually through my GP and she put together a treatment plan for me which after three months has pretty much cleared my acne... 

So I'm on 100mg Doxycycline (I've been on this for two years and it wasn't great but works well now as part of this plan)- I take this at night. 

I'm on Acnecide- this is really important to use when you're on Doxycycline as it stops you from becoming immune from the antibiotic. I apply this three times a week to areas with active spots. 

Then Differin gel or cream- I apply this every night to areas where there are no spots but where I'm prone to spots. Differin is to prevent breakouts Acneside is to treat them!"