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http://dx.doi.org/10.1111/cod.14625 | DOI Listing |
An Bras Dermatol
August 2025
Faculty of Medical Sciences, Santa Casa de São Paulo, São Paulo, SP, Brazil.
Contact Dermatitis
August 2025
Department of Dermatology, University of Sheffield, Sheffield, UK.
Background: Sodium benzoate is increasingly used as a preservative in personal care products and in foods. Recently published experience of patch testing sodium benzoate at 5% in pet shows it to be an allergen that may be assuming increasing clinical relevance.
Objectives: We set out to define the prevalence of clinically relevant reactions to sodium benzoate, to delineate problems with the interpretation of patch test readings to this allergen and to identify whether its inclusion in various series offers additional diagnostic benefit beyond those offered by commonly tested allergens, for example benzoic acid and Myroxylon pereirae , with which it may show some cross reactivity.
Contact Dermatitis
May 2025
Department of Occupational and Environmental Dermatology, Lund University, Skåne University Hospital, Malmö, Sweden.
Introduction: Propolis is a sticky substance produced by honeybees from plant resins collected from locally growing vegetation. Its chemical composition varies depending on the plant species visited by the bees. Contact dermatitis is commonly reported following exposure to cosmetics containing propolis or following the intake of food supplements.
View Article and Find Full Text PDFDermatitis
January 2025
Department of Dermatology, Park Nicollet Contact Dermatitis Clinic, Minneapolis, Minnesota, USA.
Colophony is a solid form of resin derived from coniferous trees that has both adhesive and water-resistant properties. For these reasons, this allergen is incorporated into many personal care products, medications, and occupational materials, and is thus commonly implicated in allergic contact dermatitis. Dedicated "dental" allergen series often include colophony, but dermatologists are likely not well-versed on its use in a dental setting.
View Article and Find Full Text PDFContact Dermatitis
March 2025
Faculty of Medicine, KU Leuven, Leuven, Belgium.