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Keywords: allergic contact dermatitis; CAS no. 78336-31-9; case report; copolymers; cosmetic products; PEG-22/dodecyl glycol copolymer; PEG-45/dodecyl glycol copolymer EN allergic contact dermatitis CAS no. 78336-31-9 case report copolymers cosmetic products PEG-22/dodecyl glycol copolymer PEG-45/dodecyl glycol copolymer 213 215 3 08/04/23 20230901 NES 230901 We report a case of allergic contact dermatitis (ACD) caused by PEG-22/dodecyl glycol copolymer and PEG-45/dodecyl glycol copolymer contained in two different "skin-repairing" creams. Allergic contact dermatitis, CAS no. 78336-31-9, case report, copolymers, cosmetic products, PEG-22/dodecyl glycol copolymer, PEG-45/dodecyl glycol copolymer Allergic contact dermatitis caused by PEG-22 and PEG-45 dodecyl glycol copolymers in two skin-repairing creams. [Extracted from the article]

The previously used make-up base could not be patch tested but similar products from the same brand were shown to contain isopropyl lauroyl sarcosinate. Keywords: allergic contact dermatitis; CAS no. 230309-38-3; case report; cosmetics; eczema; isopropyl lauroyl sarcosinate; patch test; repeated open application test; sodium lauroyl sarcosinate EN allergic contact dermatitis CAS no. 230309-38-3 case report cosmetics eczema isopropyl lauroyl sarcosinate patch test repeated open application test sodium lauroyl sarcosinate 119 120 2 06/17/21 20210701 NES 210701 We report a second case of allergic contact dermatitis caused by isopropyl lauroyl sarcosinate (CAS no. 230309-38-3), an amino acid-based ester, contained in a cosmetic.1 CASE REPORT A 35-year-old woman, with a history of chronic spontaneous urticaria and asthma, reported an erythematous and oedematous eruption of the face, with burning and itchy sensations, 24 hours following the application of Effaclar Duo+ (La Roche Posay, L'Oréal, Clichy, France) to treat acne. Allergic contact dermatitis, CAS no. 230309-38-3, case report, cosmetics, eczema, isopropyl lauroyl sarcosinate, patch test, repeated open application test, sodium lauroyl sarcosinate. [Extracted from the article]

(C) Positive prick test with undiluted Desomedine on delayed reading at day 2 (same prick test as in B) gl Prick tests were performed with undiluted Desomedine (hexamidine 0.1%), and these confirmed both immediate and delayed type hypersensitivity on immediate (Figure 1B) and delayed readings on day (D)2 (Figure 1C). Although allergic contact dermatitis in response to antiseptics is common, we should be aware that occasionally this may co-exist with immediate-type hypersensitivity, and also with molecules frequently sold over the counter. Keywords: case report; delayed hypersensitivity; hexamidine; immediate hypersensitivity EN case report delayed hypersensitivity hexamidine immediate hypersensitivity 580 582 3 10/22/21 20211101 NES 211101 CASE REPORT A 66-year-old man with a history of arterial hypertension (treated by dietary approaches only), allergic rhinitis, asthma, and atopic dermatitis, developed a grade II anaphylactic reaction 5 minutes after the first intranasal application of hexamidine (Desomedine, Chauvin Bausch & Lomb laboratory, Montpellier, France) for a cold. [Extracted from the article]