Abstract
Acrylics are difficult substances in patch testing because too high a concentration may sensitize and too low a concentration may give incorrect, negative results. We present here a subject who became sensitized to ethyl acrylate (EA), 2-hydroxyethyl acrylate (2-HEA) and 2-hydroxypropyl acrylate (2-HPA). This was confirmed on retesting but on day 13, after retesting, the patient developed further positive acrylate patch test reactions indicating that the second patch test session sensitized her—at least ethyl methacrylate and triethylene glycol diacrylate. As a consequence of these observations and our previous experience, we have deleted EA, 2-HEA, and 2-HPA from our routine (meth)acrylate series.
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