We report two cases of photocontact allergy to a cinnamate sun filter, octocrylene. In the last few years octocrylene has been broadly used in the manufacturing of many cosmetics and UV filters, hence the importance of octocrylene as an emerging cause of contact and photocontact allergy.
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Contact Dermatitis
December 2024
Department of Occupational and Environmental Dermatology, Lund University, Skåne University Hospital, Malmö, Sweden.
Objective: Photoallergic reactions due to topical ketoprofen are common. As some simultaneous contact allergies have been described in the literature, we aimed to get an overview of the pattern of reactivity towards common allergens in the baseline series in ketoprofen-photoallergic individuals.
Methods: Using our database, we found 94 patients with photocontact allergy to ketoprofen diagnosed during 1999-2018.
Contact Dermatitis
January 2024
Department of Occupational and Environmental Dermatology, Skåne University Hospital, Lund University, Malmö, Sweden.
Background: Simultaneous overrepresentations of contact allergies and photocontact allergies are common in individuals with photocontact allergy to ketoprofen.
Aims: To investigate whether contact allergy to oxidised (ox.) geraniol, geraniol, geranial, neral and citral is overrepresented in individuals with photocontact allergy to ketoprofen.
Photodermatol Photoimmunol Photomed
November 2023
National Skin Centre, Singapore City, Singapore.
Background: Photopatch testing represents the gold standard for the diagnosis of photoallergic contact dermatitis (PACD). We aimed to identify common photoallergens in our tertiary dermatological referral centre from 2012 to 2021, to compare this to the preceding period studied, and data from other communities.
Methods: We conducted a retrospective review of all 90 patients who underwent photopatch testing at the National Skin Centre, Singapore, between 2012 and 2021.
Dermatitis
May 2023
Park Nicollet Contact Dermatitis Clinic, University of Minnesota, Minneapolis.
Active ingredients of sunscreens, or UV filters, have increased in use because public awareness of sun safety has risen. In addition to this intentional use, unintentional exposures to UV filters also occur through application of personal care products, where the filters are incorporated into the product. There are 2 main types of UV filters: organic (chemical) filters and the 2 inorganic (mineral) filters, titanium dioxide and zinc oxide.
View Article and Find Full Text PDFJ Am Acad Dermatol
November 2022
Division of Dermatology, Cooper Medical School of Rowan University, Camden, New Jersey. Electronic address:
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