What Will Happen if I Completely Avoid the Sun for Three Years and Use Retin-A for Discoloration?

Hi Richmond.  It's likely that even if you take the precautions that you are describing (Retin A and sun avoidance) that any pigmentation you already have will not go away.   The problem is that Retin A is only part of the solution for pigmentation.  Hydroquinone is the other part.  Without knowing what kind of pigmentation you are trying to get rid it's difficult to make a recommendation, but generally speaking we use either hydroquinone bleaching... more