Allergic contact dermatitis to substitute hair dyes in a patient allergic to para-phenylenediamine: Pure henna, black tea and indigo powder.

Authors :: Swan BC
Tam MM
Higgins CL
Nixon RL
Source :: The Australasian journal of dermatology [Australas J Dermatol] 2016 Aug; Vol. 57 (3), pp. 219-21. Date of Electronic Publication: 2016 Feb 24.
Publication Year :: 2016
Abstract: We report a case of a 50-year-old lady with allergic contact dermatitis to para-phenylenediamine, who in her quest to find a substitute hair dye, subsequently reacted to a number of plant-based hair dyes, including pure henna, black tea and indigo powder respectively. While these substances all contain tannins, testing to possible constituents tannic acid and gallic acid was negative.<br /> (© 2016 The Australasian College of Dermatologists.)

Subjects :: Allergens
Dermatitis, Allergic Contact physiopathology
Female
Humans
Indigo Carmine immunology
Lawsonia Plant immunology
Middle Aged
Patch Tests
Pruritus diagnosis
Pruritus etiology
Scalp Dermatoses diagnosis
Severity of Illness Index
Tea immunology
Dermatitis, Allergic Contact etiology
Hair Dyes adverse effects
Phenylenediamines adverse effects
Scalp Dermatoses etiology

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