hi im cris and im 21 last month i started to use tretinoin 0.01% and everything was normal i have no breakouts no dryness or nothing im only using retin a for my hyperpigmentation and few scars that i have for a long time since i was 18, so i decided to take more percentage 0.05% on retin it has been two weeks with 0.05% and then all of the sudden my my cheeks and hyperpigmentation are very red and im using cetaphil spf15 and is getting more red and still no breakouts is it normal or not i need answers please!!!!