Abstract
A case of allergic contact dermatitis caused by a hand lotion is presented. A positive patch test reaction to the perfume formulation from the lotion was found, establishing a case of perfume allergy. However, when all 16 ingredients of the perfume were tested, the patient reacted not only to a fragrance material but also to the solvent used in the perfume, dipropylene glycol. The diagnosis of perfume allergy is common. However, the substances in the responsible perfume are rarely obtained for testing, and significant allergies to the solvent of the perfume may be overlooked.
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