Severe allergic contact connubial dermatitis to Nigella Sativa Seed Oil due to repeated contacts to beard cosmetics.

Patch tests (PT) were performed with the European Baseline, a cosmetic and an EO series (Chemotechnique Diagnostics, Vellinge, Sweden), and the personal beard products. 3 Kurihara F, Soria A, Lepoittevin JP, Chasset F, Barbaud A, Pecquet C. Thymoquinone as a causative allergen in Nigella sativa oil contact dermatitis with cross-reactivity to tert-butylhydroquinone. Allergic contact dermatitis from Nigella Sativa Seed Oil (NSO) may present in different patterns such as severe polymorphic lesions mimicking acute bullous drug reactions.[[1], [3]] However, proving its use and its responsibility may be difficult. [Extracted from the article]