Contact sensitizers in commercial hair dye products sold in Thailand

Summary Background Hair dyes are known to contain potent contact allergens for which sensitization rates have increased over the last decade. Objective To examine the type and frequency of potent contact sensitizers labelled on hair dyes sold in metropolitan Bangkok, Thailand. Methods During the 201...

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Vydané v:Contact dermatitis Ročník 74; číslo 4; s. 222 - 229
Hlavní autori: Boonchai, Waranya, Bunyavaree, Monthathip, Winayanuwattikun, Waranaree, Kasemsarn, Pranee
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Oxford, UK Blackwell Publishing Ltd 01.04.2016
Wiley Subscription Services, Inc
Predmet:
Allergens - adverse effects
Allergens - analysis
contact allergens
Cross-Sectional Studies
Dermatitis, Allergic Contact - etiology
Dyes
hair colouring
hair dye
Hair Dyes - adverse effects
Hair Dyes - analysis
Hair Dyes - chemistry
Health risk assessment
Humans
p-phenylenediamine
Phenylenediamines - adverse effects
Phenylenediamines - analysis
Product Labeling
sensitizer
Skin
Thailand
hair dye
hair colouring
sensitizer
p-phenylenediamine
contact allergens
ISSN:0105-1873, 1600-0536, 1600-0536
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Shrnutí:Summary Background Hair dyes are known to contain potent contact allergens for which sensitization rates have increased over the last decade. Objective To examine the type and frequency of potent contact sensitizers labelled on hair dyes sold in metropolitan Bangkok, Thailand. Methods During the 2013–2014 study period, labelled ingredient information from home use and professional hair dye products was collected. Results Two hundred and fifty‐two hair dye products were evaluated. One hundred and forty‐nine products from 48 brands were domestically produced in Thailand, and 103 products were from 23 multinational brands produced in countries other than Thailand. Two hundred and fourteen of 252 (84.9%) hair dye products were found to contain strong skin sensitizers, with 118 (46.8%) being found in domestically produced products, and 96 (38.1%) being found in multinational brand products. Thirty‐eight hair dye products (15.1%) were free of potent skin sensitizers. The number of domestically produced products (31, 20.8%) that were free of potent skin sensitizers was significantly higher (p = 0.002) than the number of multinational brand products (7, 6.8%). Conclusions p‐Phenylenediamine was the most prevalent potent sensitizer found among domestically produced hair dyes available on the market. Our findings indicate regional differences in hair dye allergen exposure.
Bibliografia:ark:/67375/WNG-LJF0WPZF-Z
istex:A350D9835EC72EBF6D655FFB070C879F0F23D282
ArticleID:COD12542
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0105-1873
1600-0536
1600-0536
DOI:10.1111/cod.12542