Nihon Hifu Meneki Arerugy Gakkai Zasshi
Online ISSN : 2433-7854
Print ISSN : 2433-7846
Research
Patch Test Results of Cosmetics and Related Allergens in 2015
Yuko ONODAAkiko YAGAMIAkiyo NAGAIYohei IWATAKayoko SUZUKIKayoko MATSUNAGA
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2020 Volume 3 Issue 3 Pages 391-402

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Abstract

 This study investigated the prevalence of cosmetic dermatitis, and identified cosmetic allergens and the responsible cosmetics in 2015. We performed a 48-hour closed test on the backs of patients who consulted our department for suspected cosmetic dermatitis in 2015. Patch testing was performed using each patient's cosmetics, the Japanese standard allergens, and cosmetically relevant allergens that were possibly related to their dermatitis. Results were assessed according to the International Contact Dermatitis Research Group recommendations. A reaction stronger than or equal to (+) was regarded as positive. We patch tested a total of 69 patients with suspected cosmetic dermatitis. Among them, 9 patients demonstrated positive reactions to their own cosmetic products, whereas 5 with negative reactions to their own cosmetic products or no patch testing for their own cosmetic products reacted positively to cosmetically relevant allergens. The cosmetics most frequently responsible were hair color products. We reported a total of 14 patients with allergic contact dermatitis caused by cosmetics. No new cosmetic allergens were found in this study.

(日本皮膚免疫アレルギー学会雑誌, 3 (3) : 391-402, 2020)

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© 2020 The Japanese Society for Cutaneous Immunology and Allergy
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