A member asked:

I use expigment cream with %4 hydroquinone under my eyes for freckles it is possible to cause exogenous ochronosis ?? is hydroquinone safe to be use ?

A doctor has provided 1 answer
Dr. Glenn Messina answered

Specializes in Aesthetic Medicine

Yes: It can cause this with prolonged use. I rec. no longer than 12 continuous weeks followed by 12 weeks off.

Answered 4/16/2015

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