15 citations
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June 2015 in “F1000Research” This study examined immune responses to Diphencyprone and found that its induced skin reactions have higher levels of negative immune regulators compared to psoriasis, suggesting differences in immune regulation may contribute to psoriasis chronicity.
May 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” In this study, researchers found potential evidence of inducible skin-associated lymphoid tissue (iSALT) in alopecia areata patients undergoing topical immunotherapy, which may suggest an essential role in treatment efficacy.
20 citations
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February 2004 in “Clinical & Experimental Immunology” This study suggests that long-term treatment with the contact sensitizer SADBE in mice may reduce leucocyte traffic in alopecia areata through impaired leucocyte extravasation.
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.
In their review, the authors discussed the increasing issue of allergies to hair products, highlighting common allergens such as hair dyes and topical minoxidil, and outlined diagnostic methods and alternatives for those affected, particularly addressing higher risks among hairdressers due to professional exposure.