An employee formulating a UV-resin based vehicle developed hypopigmentation limited to the forearms without preceding overt dermatitis. Manual procedures in an automatic process provided opportunity for exposure and contact to various components. A nonresin additive, quinone, alone or in conjunction with a likely contaminant, hydroquinone, was the suspected agent. Patch tests to quinone caused severe irritation. Reactions to acrylic components were not felt to be directly pertinent.
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C. V. Whittington (1981) studied this question.
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