A member asked:

Darkening of the skin from using retin a (tretinoin)?

4 doctors weighed in across 2 answers

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

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Tretinoin (retin a) has made my skin extremely dry, is this normal?

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