21 citations
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July 2006 in “Veterinary dermatology” CD34 marks potential stem cells in dog hair follicles.
13 citations
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August 1995 in “Australasian Journal of Dermatology” Hair follicles are smaller in people with androgenetic alopecia compared to those with normal scalps.
March 2022 in “Folia Medica Indonesiana” The lump on a woman's scalp was a rare, potentially cancerous tumor from the hair follicle, not a common cyst.
41 citations
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March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
4 citations
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January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
4 citations
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May 2012 in “Tissue Engineering and Regenerative Medicine” Scientists created three types of structures to help regrow hair follicles, and all showed promising results for hair regeneration.
40 citations
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May 2012 in “British Journal of Dermatology” Recognizing specific features of African-American hair can help diagnose hair loss conditions.
Hair germ cells differ from epidermal cells in keratin expression, and specific keratins form after hair differentiation.
248 citations
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April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
November 2025 in “Scientific Reports” COVID-19 may cause hair loss by affecting hair follicles.
179 citations
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June 2000 in “The American journal of pathology” The absence of functional sebaceous glands causes hair follicle destruction and scarring alopecia.
39 citations
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February 1990 in “The journal of cell biology/The Journal of cell biology” Trichohyalin, a hair follicle protein, has a part with repeating patterns of 23 amino acids.
5 citations
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August 2012 in “Experimental Dermatology” Artemis phosphorylation at Ser516 may help regulate skin and hair structures.
29 citations
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July 2008 in “Journal of Cutaneous Pathology” Hair root sheaths are more common in non-scarring hair loss and help diagnose the type of hair loss.
6 citations
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September 2009 in “European journal of histochemistry” CD90 is present on specific cells in dog hair follicles.
11 citations
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January 2018 in “Acta dermato-venereologica” Researchers found specific genes in the part of hair follicles that could help treat hair disorders.
60 citations
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April 2018 in “Clinical, cosmetic and investigational dermatology” Tight hairstyles and chemical relaxers can cause hair loss known as traction alopecia.
1 citations
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January 2023 in “Journal of Pharmacognosy and Phytochemistry” Dracaena trifasciata can be used in traditional medicine and its authenticity can be verified.
11 citations
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January 2012 in “Archives of Dermatology” Polarized microscopy is a quick and free method to correctly identify types of hair loss.
11 citations
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January 2013 in “Indian Dermatology Online Journal” CCCA is a common, progressive hair loss condition that may not always be linked to hair care practices and requires a biopsy for diagnosis.
57 citations
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March 2011 in “The American Journal of Dermatopathology” Chemotherapy can cause permanent, non-reversible hair loss similar to pattern baldness.
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.
158 citations
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February 2000 in “Archives of dermatology” Some people with pattern hair loss may also have scalp inflammation and scarring similar to lichen planopilaris.
12 citations
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June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
42 citations
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June 2009 in “Journal of Cosmetic Dermatology” Hair loss in males involves inflammation, collagen buildup, and follicle damage, with severity increasing with age and baldness duration.
53 citations
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September 2011 Other common signs, not just the well-known immune cells around hair bulbs, are important for diagnosing hair loss from alopecia areata.
45 citations
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April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
14 citations
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May 2017 in “InTech eBooks” Hair is important for protection, social interaction, and temperature control, and is made of a growth cycle-influenced follicle and a complex shaft.
28 citations
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December 2016 in “Journal of Biomedical Materials Research Part A” Bone-forming cells grow well in 3D polymer scaffolds with 35 µm pores.
1 citations
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December 2023 Hair grows in cycles and changes with age, starting from fetal development.