Retin A (tretinoin) side effects: Retin-a can also cause excessive redness, swelling, blistering or crusting of the skin. Some patients may notice a lightening or darkening of the skin.
Answered 3/24/2015
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Photosensitivity: Retin-a causes photosensitivity (increased sensitivity to the sun) which can over time without proper sun protection cause hyperpigmentation or darkening of the skin. Retin-a is used to help improve brown spots and sun damage but it's important for one to be diligent about avoiding the sun or using proper sun protection if using retin-a.
Answered 7/1/2014
5.9k views
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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