Acute allergic contact dermatitis of the lips from peppermint oil in a lip balm.

Tran A, Pratt M, DeKoven J. Dermatitis. 2010 Apr;21(2):111-5. ABSTRACT: The etiology of cheilitis is often not readily apparent. We present a case series of four patients with allergic contact cheilitis (ACC) secondary to exposure to peppermint oil contained in a lip balm product. These patie