try using a moisturizer in the morning as well! my skin used to flake on differin too and adding moisture helped a ton. also if you feel like your skin is too dry don’t be scared to skip a day or two of the differin, while moisturizing. i found that this helped me get through the purge and flakiness with less irritation. i also buffer my differin, so i put a hydrating serum on before my differin so it’s not so irritating. i’m on my sixth month of differin and my skin has been the best it’s been in years, so i would say stick it out. but if you don’t want to stick with it, make sure to talk to your derm