1 citations
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September 2021 in “Journal of The American Academy of Dermatology” Hair loss in both Androgenetic Alopecia and Alopecia Areata is often accompanied by inflammation around hair follicles, but the location and severity of this inflammation varies.
90 citations
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January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
45 citations
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January 2012 in “Experimental Dermatology” Human hair follicles switch between active and resting phases unpredictably.
40 citations
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March 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
8 citations
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February 2016 in “The American Journal of Dermatopathology” Hair transplants can make hair follicles larger and hair shafts thicker.
September 2017 in “Journal of Investigative Dermatology” Hair follicle cells change their DNA packaging during growth cycles and when grown in the lab.
January 2011 in “Bradford Scholars (University of Bradford)” Testosterone stimulates growth in intermediate hair follicles, but this can be blocked by cyproterone acetate.
35 citations
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November 2010 in “Journal of Cutaneous Pathology” Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.
November 2024 in “Journal of Investigative Dermatology” August 1994 in “Journal of Dermatological Science”
October 2021 in “Journal of Investigative Dermatology” Poor blood supply in hair follicles is linked to nutrient deficiency in patients with female pattern hair loss, and adding more nutrients could potentially fix this.
April 2017 in “Journal of Investigative Dermatology” A virus protein can activate a pathway that may lead to abnormal hair follicle development.
1 citations
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December 2022 in “Skin Appendage Disorders” Recognizing trichofolliculomas is important to avoid unnecessary surgery.
26 citations
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December 1979 in “Journal of Cutaneous Pathology” Seborrheic keratoses may partly come from hair follicle cells.
October 2025 in “Research Square (Research Square)” Enhancing blood vessel interactions with hair cells may help treat hair loss and skin aging.
3 citations
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August 2022 in “International Journal of Molecular Sciences” TSC2-/meth cells can cause skin lesions, hair growth, and lung issues, and may be treated with chromatin remodeling agents.
12 citations
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February 1997 in “British Journal of Dermatology” The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
January 2026 in “Dermatologic Therapy” Folliculotropic Mycosis Fungoides requires stage-based treatment, with early stages using skin therapies and advanced stages needing aggressive treatments.
4 citations
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January 2015 in “International Journal of Trichology” Transplanted hair follicles can change and adapt to new areas of the body, with the immune system possibly playing a role in this adjustment.
April 2018 in “Journal of Investigative Dermatology” Macrophages are more involved in Lichen planopilaris than in Frontal fibrosing alopecia.
February 2026 in “Cosmetics” Perifollicular elastolysis is poorly understood, with limited treatment options and inconsistent results.
20 citations
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January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
January 2014 in “Springer eBooks” Chronic telogen effluvium is a condition where there is prolonged shedding of hair.
37 citations
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December 2001 in “Journal of Investigative Dermatology” Leptin may play a role in hair growth and hair follicle health.
September 2025 in “Dermatology Online Journal” Biopsy is crucial for diagnosing unusual hair loss causes like lymphoma.
14 citations
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January 2014 in “Annals of Dermatology” Some cases of folliculotropic mycosis fungoides may progress slowly and not need aggressive treatment.
March 2019 in “Nasza Dermatologia Online” A rare scalp condition with hair loss was correctly diagnosed and treated, leading to hair regrowth.
October 2023 in “Oncotarget” Apoptotic cells help cause hair follicle cell death during regression.
2 citations
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April 2017 in “PubMed” Fat cells near hair follicles may affect hair growth and could help treat baldness.
April 2018 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature”