January 2026 in “Dermatology Online Journal” CCCA can appear as patchy hair loss in younger men, not just the usual pattern.
Intralesional triamcinolone acetonide is preferred for treating patchy alopecia areata due to fewer side effects.
September 2025 in “American Journal of Dermatopathology” Lupus panniculitis can cause patchy hair loss and was successfully treated with medication.
September 2025 in “Diseases” Higher levels of certain proteins in the blood are linked to more severe patchy alopecia areata.
April 2025 in “International Journal of Dermatology”
April 2025 in “International Journal of Homoeopathic Sciences” A 7-year-old boy's hair regrew and his well-being improved after homeopathic treatment for alopecia areata.
November 2024 in “Chattagram Maa-O-Shishu Hospital Medical College Journal” Identifying alopecia types early is crucial for better treatment and quality of life.
November 2024 in “IP Indian Journal of Clinical and Experimental Dermatology” More grafts and longer surgeries increase the risk of hair loss in the donor area after FUE hair transplants.
July 2024 in “Indian Journal of Skin Allergy” Patchy hair loss from post-herpetic neuralgia can mimic trichotillomania but requires different treatment.
November 2023 in “BMJ case reports” A man in his 30s had patchy hair loss on his leg due to primary follicular mucinosis.
The man has patchy hair loss likely due to alopecia areata.
September 2013 in “Canadian Medical Association Journal” Alopecia areata causes sudden hair loss, often resolves within a year, but can recur.
47 citations
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June 2015 in “Contact Dermatitis” A standardized patch test for hair cosmetics is needed in Europe to prevent allergies, especially for hairdressers.
35 citations
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January 2020 in “Journal of the American Academy of Dermatology” Avoiding certain allergens in personal care products may improve symptoms for some patients with lichen planopilaris or frontal fibrosing alopecia.
24 citations
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July 2018 in “British Journal of Dermatology” Contact allergies might contribute to frontal fibrosing alopecia.
16 citations
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December 2016 in “Skin appendage disorders” Nickel, cobalt, balsam of Peru, fragrance mix, carba mix, and propylene glycol are common allergens causing scalp contact dermatitis.
11 citations
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July 2017 in “Regenerative Medicine” The patch assay can create mature hair follicles from human cells and may help in hair loss treatments.
11 citations
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July 2010 in “Dermatitis” Patch testing helps find allergens in minoxidil treatments, but doesn't ensure alternatives will be tolerated.
4 citations
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January 1989 Allergic reactions to minoxidil may be due to the propylene glycol it is mixed with, not the minoxidil itself.
February 2026 in “Indian Journal of Dermatology” Adults are more reactive to allergens than older adults, who are more sensitive to medication-related allergens.
June 2024 in “Journal of the European Academy of Dermatology and Venereology” Allergens might contribute to CCCA, so avoiding them could help manage the condition.
1 citations
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October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
November 2025 in “Archives of Dermatological Research” Using a higher concentration of triamcinolone acetonide leads to faster hair regrowth in scalp patchy alopecia areata.
September 2024 in “Journal of the American Academy of Dermatology” The patient responded well to treatment with no disease progression.
January 2024 in “Muller Journal of Medical Sciences and Research” Trichoscopy is a useful tool for diagnosing patchy hair loss, reducing the need for biopsies.
June 2023 in “JAAD Case Reports” A man had a rare skin cancer that looked like a bald spot.
192 citations
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April 2019 in “ACS nano” A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.
66 citations
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April 1989 in “Alcoholism Clinical and Experimental Research” The ethanol patch test reliably identifies ALDH phenotype.
40 citations
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January 2022 in “Frontiers in Chemistry” The patch speeds up deep wound healing.
38 citations
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February 2005 in “The journal of sexual medicine” The testosterone patch and gel are both effective, but they have different absorption patterns and effects on hormone levels.