Presence of formaldehyde in topical corticosteroid preparations available on the Swedish market
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Updated: Sep 25, 2026

Effects of Exposure of Formaldehyde to a Rat Model of Atopic Dermatitis Induced by Neonatal Capsaicin Treatment
Published on: September 27, 2017
Anthony Teik-Jin Goon1, Birgitta Gruvberger, Lena Persson
1Department of Occupational and Environmental Dermatology, SE-205 02 Malmö, Sweden. agtj_2000@yahoo.com
Abstract:
The aim of this study was to investigate the formaldehyde content of topical corticosteroid preparations available on the Swedish market. 73 samples were analysed with the chromotropic acid (CA) method for semi-quantitative formaldehyde determination and 30 samples with a high-performance liquid chromatographic method. These included 24 ointments, 28 creams, 1 lotion, 6 liniments, 2 gels, 9 solutions, 2 mousses and 1 oral paste. Formaldehyde was found in 5 creams and 1 ointment. Sources of formaldehyde in these preparations were discussed. Isopropanol was identified as a probable source of yellow discoloration, leading to false-negative results with the CA method.
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