Can exogenous ochronosis develop after stopping hydroquinone? (Photos)

June 29, 2024
Asked By:Powerful10700 in West Des Moines, Iowa

I have used 4% hydroquinone for about 4 months near my mouth to treat hyperpigmentation from acne. While I stopped about 3 months ago, the area has gotten darker and wider. The area got darker then slightly lighter . I did have a breakout 2 months ago in the lower part of the patch. Could the darkening be rebound hyperpigmentation/sun damage or ochronosis? Thank you.

2 photos

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