Hey mate

From my understanding in the first 2-4 weeks with Differin it is natural to break out as Differin thins the layers of the skin and pushes blemishes to the surface.

Over time as you continue to use Differin it will increase the rate in which your skin produces and 'turns over' skin cells which will minimise pores getting clogged.

I would stick it out for another 4 weeks or so - and if there is no improvement speak to your doctor and/or dematologist.

With Differin, also keep a lookout for any other potential side effects such as facial flushing. I experienced this when using Differin which started as light blushing but soon lead to full blow facial flushing the longer i used it and this became a problem in itself.

All the best!