alexa Exogenous ochronosis in the United States.
Dermatology

Dermatology

Journal of Pigmentary Disorders

Author(s): Lawrence N, Bligard CA, Reed R, Perret WJ

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Abstract Two middle-aged black women reported hyperpigmentation of the face after using bleaching creams containing hydroquinone. Both noted initial lightening of facial pigmentation followed by progressive darkening of the areas to which the cream was applied. After biopsy, they were found to have exogenous ochronosis. These are the fifth and sixth cases of exogenous ochronosis reported in the United States. In this article we review the literature and discuss the possible pathogenesis of exogenous ochronosis.
This article was published in J Am Acad Dermatol and referenced in Journal of Pigmentary Disorders

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