Exogenous Ochronosis

Exogenous ochronosis is a brown, black discoloration that occurs due to the accumulation of homogentisic acid in the skin. It is caused due to the long-term application of a cream containing hydroquinone. It is treated by dermabrasion.

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Hydroquinone creams are giving me only temporary skin lightening. Why?

Query: Hello doctor, My skin tone is dusky. One year ago, I started using Hydroquinone cream. After three to four months, I stopped using it, but then, my face started to become dark again. After a month, I started to use this cream again and then stopped. I want to make my skin healthy and have a clear c...  Read Full »


Dr. Rashmi Singh

Answer: Hello, Welcome to icliniq.com. The long-term use of Hydroquinone can cause permanent discoloration called exogenous ochronosis, especially on persons with a dusky skin. The use of any skin lightening agents gives results only till it is being used. For a healthy skin tone, start applying sunscreen e...  Read Full »

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