4th week use differin, (adapalene) finally see it working but have a burn on my cheek by putting to much on in the 2nd week, hasnt went away. how to treat this?

Over use: Try using it every other day for a week and see if that helps the burning go away.

Moisturizer: Use a moisturized such as virgin cocconut oil to restore your skin.

Differin (adapalene) : First stop the differin (adapalene) cream until the redness resolves. Hydrocortisone 1% cream otc twice daily for a few days should help. A gentle moisturizer and cleanser such as cereve or cetaphil is recommended . Remember to only use a tiny amount of differin (adapalene) and restart every other or every third night to reduce irritation and peeling.