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Pigmented contact dermatitis and hair dyes: A retrospective case-control multicentre study in Korea

Authors
 Myoung Shin Kim  ;  Bo Young Chung  ;  Sung Eun Chang  ;  Sang Ho Oh  ;  Hwa Jung Ryu  ;  Dong Hyun Kim  ;  June Hyunkyung Lee  ;  Joo Yeon Ko  ;  Jeong Eun Kim  ;  Jong Hee Lee  ;  Ga Young Lee  ;  Jiehyun Jeon  ;  Hoon Choi  ;  Mi Ryung Roh  ;  Jung Min Bae  ;  Jung-Im Na  ;  Hye Jung Jung  ;  Chul Hwan Bang  ;  Hei Sung Kim  ;  Seung Ho Lee  ;  Min Kyung Shin  ;  Si-Hyung Lee  ;  Kui Young Park  ;  Chul-Jong Park  ;  Mira Choi  ;  Tae-Jin Yoon  ;  Kee Suck Suh  ;  Young Lip Park  ;  Young Wook Ryoo  ;  Myung Hwa Kim  ;  You Chan Kim 
Citation
 JOURNAL OF THE EUROPEAN ACADEMY OF DERMATOLOGY AND VENEREOLOGY, Vol.37(12) : 2543-2549, 2023-12 
Journal Title
JOURNAL OF THE EUROPEAN ACADEMY OF DERMATOLOGY AND VENEREOLOGY
ISSN
 0926-9959 
Issue Date
2023-12
MeSH
Dermatitis, Allergic Contact* / diagnosis ; Dermatitis, Allergic Contact* / epidemiology ; Dermatitis, Allergic Contact* / etiology ; Hair Dyes* / adverse effects ; Humans ; Republic of Korea / epidemiology ; Retrospective Studies ; Sunscreening Agents
Abstract
Background: Pigmented contact dermatitis (PCD), a rare variant of non-eczematous contact dermatitis, is clinically characterized by sudden-onset brown or grey pigmentation on the face and neck. It is hypothesized to be caused by repeated contact with low levels of allergens.

Objectives: This study evaluated the risk of using hair dyes in patients with PCD in Korea.

Methods: A total of 1033 PCD patients and 1366 controls from 31 university hospitals were retrospectively recruited. We collected and analysed the data from the patient group, diagnosed through typical clinical findings of PCD and the control group, which comprised age/sex-matched patients who visited the participating hospitals with pre-existing skin diseases other than current allergic disease or PCD.

Results: Melasma and photosensitivity were significantly more common in the control group, and a history of contact dermatitis was more common in the PCD group. There were significantly more Fitzpatrick skin type V participants in the PCD group than in the control group. There was no significant difference in sunscreen use between the groups. Using dermatologic medical history, Fitzpatrick skin type and sunscreen use as covariates, we showed that hair dye use carried a higher PCD risk (odds ratio [OR] before adjustment: 2.06, confidence interval [CI]: 1.60-2.65; OR after adjustment: 2.74, CI: 1.88-4.00). Moreover, henna users had a higher risk of PCD (OR before adjustment: 5.51, CI: 4.07-7.47; OR after adjustment: 7.02, CI: 4.59-10.74), indicating a significant increase in the risk of PCD with henna dye use. Contact dermatitis history was more prevalent in henna users than in those using other hair dyes in the PCD group (17.23% vs. 11.55%).

Conclusion: Hair dye use is a risk factor for PCD. The risk significantly increased when henna hair dye was used by those with a history of contact dermatitis.
Full Text
https://onlinelibrary.wiley.com/doi/10.1111/jdv.19395
DOI
10.1111/jdv.19395
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Dermatology (피부과학교실) > 1. Journal Papers
Yonsei Authors
Roh, Mi Ryung(노미령) ORCID logo https://orcid.org/0000-0002-6285-2490
Oh, Sang Ho(오상호) ORCID logo https://orcid.org/0000-0002-4477-1400
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/197500
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