Allergic contact dermatitis to cocamidopropylbetaine in hair shampoo

@article{Brand1998AllergicCD,
  title={Allergic contact dermatitis to cocamidopropylbetaine in hair shampoo},
  author={R Brand and Thomas A. Delaney},
  journal={Australasian Journal of Dermatology},
  year={1998},
  volume={39}
}
Allergic contact dermatitis to shampoo is rare. Report of a patient with widespread dermatitis caused by contact allergy to Kathon CG® and cocamidopropy lbetaine in shampoo used is presented. 
Clinical Features of Contact Dermatitis
Clinical features of contact dermatitis include the symptoms: pruritus, stinging, smarting, and pain. The typical clinical finding is dermatitis at the site of contact with the offending object.
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Clinical Features of Contact Dermatitis
History, Microhistory, and Sources of Contact Allergen Exposure
  • History
    Common Contact Allergens
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References

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Contact allergy to cocamide DEA and lauramide DEA in shampoos
TLDR
This work reports a case of allerg1c contact dermat1t1s from cocam1de DEA (coconut diethanolam 1de) and lauram1 de DEA (launc ac1d dietanolam1DE) m a shampoo.
Occupational allergic contact dermatitis from 3‐dimethylaminopropylamine in shampoos
TLDR
A non-atopic woman, born in 1958, who had worked as an assistant nurse since 1984, developed dermatitis on both hands in 1992, and left her job because of the hand dermatitis, and started to study.
Pure cocamidopropylbetaine is not the allergen in patients with positive reactions to commercial cocamidopropylbetaine
TLDR
Allergic contact dermatitis from antimycotic imidazoles is uncommon when compared to their widespread use, and the high concentration of tioconazole, the presence of undecylenic acid and of ethyl acetate in the vehicle, as well as its application to periungual folds are all factors favouring sensitization.
Shampoo dermatitis due to cocobetaine and sodium lauryl ether sulphate
TLDR
The dermatitis cleared when the patient changed to a shampoo with a sodium Iaury! ether sulphate base with sorbic acid as the preservative.
Shampoo dermatitis due to cocamidopropyl betaine
A 22-year-old male hairdresser, with no family or personal history of atopy, presented with erythematous swelling lesions on his hands, fingers and forearms. Complete blood and urine hematochemical
Allergic contact dermatitis to cocamidopropyl betaine in shampoo.
Contact allergy to cocamidopropyl betaine (CAPB)
TLDR
4. Raulin C, Frosch P J, Green C A, Farr P M, Shuster S, Veraldi S, Schianchi-Veraldi R.
3‐Dimethylaminopropylamine: a key substance in contact allergy to cocamidopropylbetaine?
TLDR
The results suggest that the DMPA present at various levels as an impurity in the commercial product is responsible for cocamidopropylbetaine allergy.
Contact allergy to impurities in surfactants: amount, chemical structure and carrier effect in reactions to 3‐dimethylaminopropylamine
TLDR
The study showed that DMPA remains as a quantitatively detectable impurity in all tensioactives employing it in their synthesis, and that no sensitizing action can be attributed to the functional groups present in alkylamidopropylbetaine molecules.