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.
In this study, researchers observed that atopic dermatitis may alter the appearance of allergic patch test reactions, demonstrating specific patterns like perifollicular erythema and yellowish areas that could aid in interpreting patch tests using dermoscopy, particularly in ambiguous cases.
June 2024 in “Journal of the European Academy of Dermatology and Venereology” This abstract provides information on potential conflicts of interest and acknowledges sources of support for the findings, but does not report specific study results.
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.
66 citations
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April 1989 in “Alcoholism Clinical and Experimental Research” This study found that the ethanol patch test effectively indicates the ALDH phenotype in healthy Japanese individuals, suggesting its usefulness for future research.
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.
2 citations
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July 2013 in “PubMed” This case report details a 17-year-old female with anorexia nervosa who presented with a large, irregular area of pubic hair loss exhibiting various hair and skin abnormalities.
January 2026 in “International Journal of Dermatology Research” This case report discusses a young girl with loose anagen hair syndrome, highlighting the importance of recognizing the condition early to avoid misdiagnosis and unnecessary treatments, and noting her spontaneous improvement with conservative management.
1 citations
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October 2020 in “Cermin Dunia Kedokteran” This study reported complete clinical clearance of tinea capitis in a 3-year-old boy after 8 weeks of treatment with oral griseofulvin and ketoconazole shampoo.
30 citations
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October 2013 in “Lupus” This study identified distinct clinical and dermatoscopic features to differentiate non-scarring patchy alopecia in SLE from alopecia areata, emphasizing the value of serological tests in diagnosis.
May 2021 in “British Small Animal Veterinary Association eBooks” This review discusses various causes and patterns of canine alopecia, noting that symmetrical and diffuse hair loss often indicates an endocrinopathy, and reports no new clinical results.
98 citations
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November 2002 in “Contact Dermatitis” This study found that adverse reactions to para-phenylenediamine in hair dye, including severe allergic contact dermatitis, may be more common than currently reported and often misdiagnosed.
34 citations
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September 1985 in “Contact Dermatitis” Minoxidil can cause skin irritation like eczema and rash in some users.
32 citations
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May 1995 in “Contact Dermatitis” This article reviews previous cases and reports of allergic contact dermatitis from minoxidil but does not provide new clinical findings.
17 citations
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May 1998 in “Contact Dermatitis” Minoxidil can cause pustular allergic reactions on skin.
17 citations
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April 2002 in “Contact Dermatitis” Minoxidil 5% caused skin discoloration in a man using it for hair loss.
14 citations
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January 2015 in “Skin appendage disorders” This case report details two women with female pattern hair loss who experienced severe scalp allergic contact dermatitis from minoxidil, one due to the active ingredient and the other due to the vehicle.
14 citations
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July 1987 in “Contact Dermatitis” This article lacks an abstract and presents no new findings, primarily discussing topical minoxidil sensitization in androgenic alopecia.
9 citations
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March 1991 in “American Journal of Contact Dermatitis” In this study, 67 patients developed contact dermatitis from using minoxidil for hair loss, with patch tests suggesting it is a frequent sensitizer among topical drugs.
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.
5 citations
,
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.
4 citations
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March 1991 in “Dermatitis” This study observed that allergic contact dermatitis is frequently associated with the use of topical minoxidil for hair loss, suggesting that patch tests could help identify sensitized patients.
1 citations
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January 2023 in “Journal of Clinical Medicine” This paper presents the first reported case of Acute Localized Exanthematous Pustulosis linked to topical minoxidil use, suggesting a contact-induced hypersensitivity reaction as a potential mechanism.
1 citations
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January 2010 in “Elsevier eBooks” Any drug can cause skin reactions, but antibiotics, NSAIDs, and psychotropic drugs are more common, with some reactions being life-threatening.
1 citations
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July 2016 in “Cosmetics” This review highlights a case of cross sensitization to dyes from temporary henna tattoos and stresses the need for public awareness on the risks associated with these tattoos.
1 citations
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January 1997 in “Skin research” Hinokitiol and pantothenylethylether in hair products can cause strong allergic reactions.
February 2025 in “Journal of Cosmetic Dermatology” This study examined the sensitization potential of common hair care products and found that certain ingredients, like cobalt chloride and nickel sulfate, frequently cause allergic reactions in individuals with hair diseases, providing essential insights for personalized treatment strategies.
July 1989 in “British Journal of Dermatology” Minoxidil helps increase hair growth and density in people with hair loss, with higher concentrations giving better results.
June 2026 in “Frontiers in Allergy” In this study, patients with scalp seborrheic dermatitis exhibited distinct patterns of allergen sensitization tied to symptoms, impaired skin barrier, and altered microbiota, emphasizing the need to consider allergen exposure, barrier status, and microbial balance when interpreting patch test results.
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.