35 citations
,
November 2010 in “Journal of Cutaneous Pathology” Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.
1 citations
,
April 2007 in “PubMed” Tacrolimus helps mice grow hair by activating hair follicles.
12 citations
,
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 2022 in “Journal of clinical and diagnostic research” A rare skin bump with tiny hairs was successfully removed from a man's face.
August 1993 in “Journal of Dermatological Science” Testosterone metabolism in balding scalp cells may not be the main cause of hair loss.
June 2025 in “International Journal of Molecular Sciences” Targeting EMT and fibrotic remodeling may help treat androgenetic alopecia.
26 citations
,
December 1979 in “Journal of Cutaneous Pathology” Seborrheic keratoses may partly come from hair follicle cells.
March 2014 in “Anais Brasileiros de Dermatologia” Hair follicles are a key source of stem cells for skin repair and could help treat baldness.
1 citations
,
May 2015 in “Dermatologic Therapy” The microstrip technique for hair transplantation is effective and discreet for patients needing fewer than 1500 grafts.
13 citations
,
May 1993 in “International Journal of Dermatology” The paper suggests that telogen effluvium, a type of hair loss, may be a long-lasting condition triggered by stress or illness in people whose hair growth is unusually synchronized.
42 citations
,
December 1990 in “The Journal of Dermatologic Surgery and Oncology” The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.
4 citations
,
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.
18 citations
,
April 2010 in “Actas Dermo-Sifiliográficas” Follicular unit hair transplantation is the standard method for natural-looking hair restoration in androgenic alopecia.
December 2015 in “Vascular Pharmacology” Hair papilla cells are crucial for blood vessel development in hair follicles, affecting hair growth and loss.
March 2024 in “Tissue and cell/Tissue & cell” Telomerase-positive cells are mainly in the bulb matrix and outer root sheath of hair follicles.
44 citations
,
October 1990 in “Archives of Dermatological Research” The connective tissue around hair follicles changes structure throughout the hair cycle.
97 citations
,
September 2011 in “British Journal of Dermatology” The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.
1 citations
,
January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Reflectance confocal microscopy may help diagnose trichofolliculoma by showing specific skin features.
3 citations
,
January 2019 in “Indian Journal of Dermatology” Transverse scalp biopsy sections help diagnose different alopecias by showing hair follicle details and inflammation patterns.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Hair follicles are thinner in alopecia patients, especially in alopecia areata.
January 2024 in “Updates in clinical dermatology” 52 citations
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January 2003 in “Journal of Investigative Dermatology” Thrombospondin-1 is crucial for hair follicle regression and reduced blood vessel growth during the catagen phase.
April 2017 in “Journal of Investigative Dermatology” Scientists created a tiny, 3D model of a hair follicle that grows and acts like a real one.
Both trichoscopy and folliscopy accurately diagnose telogen effluvium, but trichoscopy is easier and faster.
April 2026 in “Brazilian Journal of Hair Health” Perifollicular fibrosis hinders hair regrowth in androgenetic alopecia, and new treatments targeting fibrosis are needed.
8 citations
,
February 2016 in “The American Journal of Dermatopathology” Hair transplants can make hair follicles larger and hair shafts thicker.
1 citations
,
June 2017 in “Nature Reviews Immunology” Immune cells called Treg cells are essential for hair growth and regeneration.
Isotretinoin reduced inflammation in tufted hair folliculitis, but hair tufting remained.
2 citations
,
July 2020 in “Giornale italiano di dermatologia e venereologia” A woman with frontal fibrosing alopecia experienced unusual hair growth after using a specific topical lotion.
21 citations
,
January 2016 in “Skin appendage disorders” Alfredo Rebora suggested a new, easier way to classify hair loss in Telogen Effluvium, adding a type possibly related to autoimmune diseases.