May 2026 in “International Journal for Educational Integrity” In this study, researchers observed that organic traffic to Spanish contract cheating websites rose during the COVID-19 pandemic but decreased from 2023, possibly due to the increasing use of generative AI tools.
207 citations
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September 1973 in “Entomologia Experimentalis et Applicata” In this study, the researchers found that female Pieris brassicae butterflies have more "B-type" chemoreceptory hairs on their forelegs, which may be involved in selecting oviposition sites through detecting mustard oil glucosides.
123 citations
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February 2002 in “Journal of The American Academy of Dermatology” Minoxidil can cause skin allergy; use alternative solvents or treatments if allergic.
84 citations
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October 2007 in “The Journal of Immunology” This study found that chronic eczema supports the expansion of myeloid suppressor cells, which contribute to silencing autoreactive T cells and partially promote hair regrowth in alopecia areata.
66 citations
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August 1990 in “Journal of Investigative Dermatology” Epithelial cell growth in rat hair follicles needs contact with mesenchymal cells through the extracellular matrix.
60 citations
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September 2001 in “British journal of dermatology/British journal of dermatology, Supplement” This review discusses the use of contact sensitizers in topical immunotherapy for conditions like alopecia areata and viral warts, focusing on treatment methods, efficacy, and potential adverse effects, and reports no new clinical results.
36 citations
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March 1989 in “British journal of dermatology/British journal of dermatology, Supplement” In this study, the authors compared topical diphencyprone and tretinoin gel for treating alopecia totalis and universalis, but the abstract does not report any definitive clinical results.
24 citations
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May 2006 in “Journal of Investigative Dermatology” This study found that allergen treatment in alopecia areata mice appeared to alter leukocyte subset distribution and impaired dendritic cell migration, which may affect T-cell activation and hair follicle recovery.
16 citations
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February 2001 in “PubMed” This study found that allergic contact dermatitis of the scalp may cause telogen effluvium, leading to mild to moderate hair loss in some patients.
13 citations
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December 1983 in “Canadian journal of zoology” This study found that mesenchymal cell processes from the dermal papilla contact epithelial hair matrix cells through gaps in the basal lamina during hair matrix cell differentiation in mouse vibrissa follicles.
11 citations
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July 2010 in “Dermatitis” This review discusses the side effects associated with topical minoxidil in treating androgenetic alopecia, noting propylene glycol as a common allergen and suggests alternatives for affected patients but reports no new clinical results.
9 citations
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July 2022 in “Journal of Cosmetic Dermatology” In this study, an ammonia-free and PPD-free permanent hair dye was tested on 50 ethnically diverse females, showing no cases of contact dermatitis and significant improvements in hair shine, color, moisturization, porosity, and combability after two dyeing sessions.
9 citations
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January 2014 in “World journal of clinical cases” This review discusses the clinical and pathologic features of follicular contact dermatitis, highlighting neomycin as a potential cause, and reports no new clinical results.
7 citations
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January 2021 in “Cureus” This case report describes a 27-year-old woman who experienced facial swelling due to allergic contact dermatitis from using minoxidil 5% foam.
7 citations
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January 2009 in “International Journal of Trichology” In this study, researchers found that dermoscopy does not provide distinguishing features for diagnosing scalp contact dermatitis from topical minoxidil compared to other causes of severe scalp itching.
6 citations
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January 2016 in “Indian Journal of Dermatology Venereology and Leprology” This study found that the majority of "hypoallergenic" hair dyes still triggered allergic reactions in patients sensitive to para-phenylenediamine.
6 citations
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July 2015 in “Australasian Journal of Dermatology” A man developed an allergic skin reaction after using brimonidine for rosacea.
5 citations
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July 2024 in “International Journal of Women’s Dermatology” This study suggests that using patient-specific products and individualized patch testing can improve the accuracy of diagnosing scalp allergic contact dermatitis in women.
5 citations
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July 2022 in “PubMed” This study identified the most common allergens in hair products linked to scalp allergic contact dermatitis, with hair dyes, shampoos, and conditioners primarily associated with the condition.
4 citations
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January 1989 This case study reported that two patients treated for androgenetic alopecia with Regaine® solution developed allergic contact dermatitis due to propylene glycol, highlighting the importance of testing the vehicle in patch tests.
1 citations
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January 1997 in “Skin research” Hinokitiol and pantothenylethylether in hair products can cause strong allergic reactions.
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.
January 2025 in “Global Journal of Medical Therapeutics” In this case report, a 28-year-old female developed allergic contact dermatitis from prolonged use of 5% topical minoxidil, suggesting that minoxidil itself may often be responsible for such reactions rather than propylene glycol.
November 2024 in “Dermatitis” This review identifies specific personal care products and allergens commonly causing allergic contact dermatitis in men, which may improve diagnosis and treatment.
September 2024 in “Journal of the American Academy of Dermatology” ChatGPT-4 can help with allergic contact dermatitis but shouldn't replace expert doctors.
July 2024 in “Journal of Investigative Dermatology” Allergic contact dermatitis may promote hair growth by activating hair follicle stem cells.
March 2022 in “Berkala Ilmu Kesehatan Kulit dan Kelamin/Berkala ilmu kesehatan kulit dan kelamin (Periodical of dermatology and venerology)” This study found that nearly half of the tinea capitis patients at a Surabaya hospital had cat contact, with the most common symptoms being crust and hair loss.
July 2021 in “International journal of dermatology, venereology and leprosy sciences” This study found that diphenylcyclopropenone (DPCP) was more effective and better tolerated than dinitrochlorobenzene (DNCB) in promoting hair regrowth in patients with alopecia areata.
In this animal study, treatment with Trachyspermum copticum seed extract significantly altered IL-1 and KGF/FGF-7 gene expression, improving dermatitis and hair growth in mice compared to controls and corticosteroids.
May 2017 in “Journal of The American Academy of Dermatology” This study found an increase in allergic contact dermatitis cases linked to natural products like propolis and marigold, predominantly affecting women in a Bulgarian population.