Should I Go Up to 0.5 Retin A to Brighten my Skin?

I currently use 0.025% Retin A but my face and neck are about 2 shads darker than my chest, arms,etc. If I go up to Retin 0.5%, would that help...

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Retin-a for 29 y/o Female with Brown Skin?

I am 29-year old female brown skin. I have been using retin-a 0.05% twice a day (as prescribed) for the past 4 weeks. My skin has definitely improved....