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The Hardening Phenomenon in Irritant Contact Dermatitis: Cosmetic Implications
By: Howard I. Maibach, MD, University of California School of Medicine, San Francisco and Shannon A. Watkins, MD, Yale New Haven Hospital
Posted: October 30, 2009, from the November 2009 issue of Cosmetics & Toiletries.
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More data is needed to investigate the mechanisms and variables involved in the phenomenon of hardening. A better understanding could translate into new and improved management options for ICD and chronic ICD—both for occupationally exposed individuals and those who repeatedly utilize marginally irritating cosmetic ingredients such as detergents, mascaras and retinoids.
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