May 2023 in “Australasian Journal of Dermatology” Results are not reported in this source. The abstract does not provide a summary or findings from the Australasian Journal of Dermatology regarding contact dermatitis.
3 citations
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September 2017 in “Pediatric Dermatology” This article discusses contact dermatitis linked to alopecia and hyperpigmentation, but it reports no new clinical results.
February 2026 in “Indian Journal of Dermatology” This study from a dermatology department found that patch test positivity for allergic contact dermatitis is lower in geriatric patients than in adults, likely due to age-related immune changes and reduced allergen exposure.
33 citations
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April 2020 in “Dermatitis” This study found that 9% of tested patients had positive patch test reactions linked to hair care products, with most reactions clinically relevant and commonly involving allergens like p-phenylenediamine.
16 citations
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December 2016 in “Skin appendage disorders” This study analyzed patch test results to identify allergens causing scalp contact dermatitis, finding nickel, cobalt, and balsam of Peru among the most common in the patient population.