<?xml version="1.0" encoding="UTF-8"?>
<term>
  <id>13569</id>
  <title>photocontact dermatitis</title>
  <longtitle>IUPAC Gold Book - photocontact dermatitis</longtitle>
  <doi>10.1351/goldbook.13569</doi>
  <code>13569</code>
  <status>current</status>
  <definitions>
    <item>
      <id>1</id>
      <text>Type of contact dermatitis arising when substances are transformed into either irritants or allergens upon exposure to light.</text>
      <notes>
        <item>Aftershave lotions, sunscreens, and certain topical sulfa drugs may be changed into allergens, while coal tar and certain oils used in manufacturing may become irritants after exposure to sunlight.</item>
      </notes>
      <links>
        <item>
          <term>allergens</term>
          <url>https://goldbook.iupac.org/terms/view/12857</url>
        </item>
        <item>
          <term>contact dermatitis</term>
          <url>https://goldbook.iupac.org/terms/view/13041</url>
        </item>
      </links>
      <sources>
        <item>PAC, 2012, 84, 1113. 'IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)' on page 1229 (https://doi.org/10.1351/PAC-REC-11-06-03)</item>
      </sources>
    </item>
  </definitions>
  <altoutputs>
    <html>https://goldbook.iupac.org/terms/view/13569/html</html>
    <json>https://goldbook.iupac.org/terms/view/13569/json</json>
    <plain>https://goldbook.iupac.org/terms/view/13569/plain</plain>
  </altoutputs>
  <citation>Citation: 'photocontact dermatitis' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.13569</citation>
  <license>The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.</license>
  <collection>If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .</collection>
  <disclaimer>The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.</disclaimer>
  <accessed>2026-07-23T07:40:21+00:00</accessed>
</term>
