{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T22:14:43Z","timestamp":1792188883062,"version":"4.4.0"},"reference-count":31,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2015,6,18]],"date-time":"2015-06-18T00:00:00Z","timestamp":1434585600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Contact Dermatitis"],"published-print":{"date-parts":[[2015,9]]},"abstract":"Summary<\/jats:title>Background<\/jats:title>Methylchloroisothiazolinone (MCI<\/jats:styled-content>)\/methylisothiazolinone (MI<\/jats:styled-content>) and MI<\/jats:styled-content> are common preservatives in industrial and household products and in cosmetics. Occupational contact allergy to MCI<\/jats:styled-content>\/MI<\/jats:styled-content> or MI<\/jats:styled-content> has been reported among painters and paint factory workers in particular.<\/jats:p><\/jats:sec>Objectives<\/jats:title>To retrospectively describe patients with occupational contact allergy to MCI<\/jats:styled-content>\/MI<\/jats:styled-content> and MI<\/jats:styled-content> at the Finnish Institute of Occupational Health (FIOH<\/jats:styled-content>).<\/jats:p><\/jats:sec>Methods<\/jats:title>Patch test files and clinical records of patients examined at the FIOH<\/jats:styled-content> between January 2002 and February 2013 were reviewed to identify the patients.<\/jats:p><\/jats:sec>Results<\/jats:title>Seventy\u2010two of 1745 patients showed positive reactions to MCI<\/jats:styled-content>\/MI<\/jats:styled-content> and\/or MI<\/jats:styled-content>. Of these, 36 were occupational cases, and 31 were diagnosed during the second half of the study period. Hairdressers and beauticians, mechanics and repairmen, and machinists were the most significant occupational groups, followed by painters and paint factory workers, and caf\u00e9 and restaurant workers.<\/jats:p><\/jats:sec>Conclusions<\/jats:title>We observed a sixfold increase in the number of occupational cases in the second half of the study period as compared with the first half. Liquid soaps and industrial hand cleansers were common sources of exposure to MCI<\/jats:styled-content>\/MI<\/jats:styled-content> or MI<\/jats:styled-content>. A total of 33% of the patients used products without any mention of MCI<\/jats:styled-content>\/MI<\/jats:styled-content> or MI<\/jats:styled-content> in safety data sheets or product declarations.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cod.12413","type":"journal-article","created":{"date-parts":[[2015,6,18]],"date-time":"2015-06-18T11:54:52Z","timestamp":1434628492000},"page":"150-156","source":"Crossref","is-referenced-by-count":45,"title":["Occupational contact allergy to methylchloroisothiazolinone\/methylisothiazolinone and methylisothiazolinone"],"prefix":"10.1111","volume":"73","author":[{"given":"Anna\u2010Reetta","family":"Vauhkala","sequence":"first","affiliation":[{"name":"Occupational Medicine Finnish Institute of Occupational Health (FIOH) FI\u201000250 Helsinki Finland"},{"name":"Department of Dermatology Skin and Allergy Hospital, Helsinki University Central Hospital (HUCH) FI\u201000029 Helsinki Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria","family":"Pesonen","sequence":"additional","affiliation":[{"name":"Occupational Medicine Finnish Institute of Occupational Health (FIOH) FI\u201000250 Helsinki Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sari","family":"Suomela","sequence":"additional","affiliation":[{"name":"Occupational Medicine Finnish Institute of Occupational Health (FIOH) FI\u201000250 Helsinki Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Outi","family":"Kuuliala","sequence":"additional","affiliation":[{"name":"Occupational Medicine Finnish Institute of Occupational Health (FIOH) FI\u201000250 Helsinki Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katri","family":"Suuronen","sequence":"additional","affiliation":[{"name":"Occupational Medicine Finnish Institute of Occupational Health (FIOH) FI\u201000250 Helsinki Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristiina","family":"Aalto\u2010Korte","sequence":"additional","affiliation":[{"name":"Occupational Medicine Finnish Institute of Occupational Health (FIOH) FI\u201000250 Helsinki Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2015,6,18]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0536.1988.tb02832.x"},{"key":"e_1_2_5_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/01634989-199009000-00003"},{"key":"e_1_2_5_4_1","unstructured":"Regulation No. 1223\/2009 of the European Parliament and of the Council of 30 November 2009 on cosmetic products. 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