Contact dermatitis from a textile flame retardant
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Updated: Oct 9, 2026

Effects of Exposure of Formaldehyde to a Rat Model of Atopic Dermatitis Induced by Neonatal Capsaicin Treatment
Published on: September 27, 2017
A Moreau1, A Dompmartin, B Castel
1Dermatology Department, Centre Hospitalier Universitaire de Caen, France.
Abstract:
We report a case of contact sensitivity to Flammentin ASN, a flame retardant used on cotton and wool. The patient was a painter who was protecting his face with a white cotton cap. He presented with eczema of the forehead at the sites of cap contact. Patch tests with the treated cap and flame retardant were positive; a formaldehyde patch test was negative. Flame retardants are used in construction, materials and textiles. Contact sensitivity is rarely described and we compare our case to those published in the literature.
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