Acne
"I&#039;ve been using Differin for 5 weeks now.
  
My skin had seemed to be improving but then all of a sudden the last few days I&#039;ve had several new break outs.  
It&#039;s a little frustrating but I&#039;ll continue using it as it can take up to 12 weeks for the best results.

I&#039;ll just keep my fingers crossed. "