Barrier function and natural moisturizing factor levels after cumulative exposure to a fruit-derived organic acid and a detergent: Different outcomes in atopic and healthy skin and relevance for occupational contact dermatitis in the food industry

Irena Angelova-Fischer*, Anne Karin Hoek, Irena Dapic, Ivone Jakasa, Sanja Kezic, Tobias W. Fischer, Detlef Zillikens

*Corresponding author for this work
5 Citations (Scopus)

Abstract

Background Fruit-derived organic compounds and detergents are relevant exposure factors for occupational contact dermatitis in the food industry. Although individuals with atopic dermatitis (AD) are at risk for development of occupational contact dermatitis, there have been no controlled studies on the effects of repeated exposure to multiple irritants, relevant for the food industry, in atopic skin. Objectives The aim of the study was to investigate the outcomes of repeated exposure to a fruit-derived organic acid and a detergent in AD compared to healthy volunteers. Methods The volunteers were exposed to 2.0% acetic acid (AcA) and/or 0.5% sodium lauryl sulfate (SLS) in controlled tandem repeated irritation test. The outcomes were assessed by measurements of erythema, transepidermal water loss (TEWL) and natural moisturizing factor (NMF) levels. Results In the AD volunteers, repeated AcA exposure led to barrier disruption and significant TEWL increase; no significant differences after the same exposure in the healthy controls were found. Repeated exposure to SLS and the irritant tandems enhanced the reactions and resulted in a significantly higher increase in TEWL in the AD compared to the control group. Cumulative irritant exposure reduced the NMF levels in both groups. Conclusions Differences in the severity of irritant-induced barrier impairment in atopic individuals contribute to the risk for occupational contact dermatitis in result of multiple exposures to food-derived irritants and detergents.

Original languageEnglish
JournalContact Dermatitis
Volume73
Issue number6
Pages (from-to)358-363
Number of pages6
ISSN0105-1873
DOIs
Publication statusPublished - 01.12.2015

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