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Dermatitis. 2009 Jan-Feb;20(1):53-4.

Lichen extracts.

Author information

1
Department of Dermatology, Massachusetts General Hospital, Harvard School of Medicine, Boston, MA, USA.

Abstract

Lichen-derived additives to commercial products are becoming a more frequent cause of allergic contact dermatitis. The most common lichen-derived additives are usnic acid and oak moss absolute. Both are useful for screening patients using "natural" or "botanical" products that may contain lichen-derived additives.

PMID:
19321121
[Indexed for MEDLINE]

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