182 citations
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December 2007 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.
2 citations
,
January 1972 Hair can measure exposure to radioisotopes.
December 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” New cells join the hair's dermal papilla during the growth phase, possibly affecting hair thickness.
38 citations
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July 1993 in “Journal of Investigative Dermatology”
3 citations
,
January 2020 in “Annals of Dermatology” More atypical club hairs may indicate Telogen Effluvium.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The research identified specific genes that are active in the cells crucial for hair growth.
30 citations
,
June 2015 in “Dermatologic Surgery” Ultrasound shows 80% of Hidradenitis Suppurativa patients have abnormal hair tracts that may worsen the condition.
23 citations
,
February 2004 in “British Journal of Dermatology” Keratin in mouse hair follicles is complex and plays specific roles.
October 2024 in “Journal of Cutaneous and Aesthetic Surgery” Including the parietal eminence in hair transplants improves scalp appearance and balance.
13 citations
,
June 2011 in “PubMed” The patient improved significantly after treatment, with only one small scar remaining.
January 2025 in “Dermatology Practical & Conceptual” Perinevoid alopecia can be effectively treated with non-invasive corticosteroids.
October 2024 in “Skin Appendage Disorders” Some people grow more hair on one side of their scalp, possibly due to genetics, behavior, or environment.
4 citations
,
April 2010 in “Expert review of dermatology” Restoring immune privilege in hair follicles could help treat certain types of hair loss.
63 citations
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January 1992 in “Experimental Neurology” Chickens exposed to loud noise can quickly regain hearing mostly due to repair of the tectorial membrane, not just hair cell regeneration.
January 2010 in “Springer eBooks” Pubic hair transplantation can help women with little to no pubic hair, using scalp hair for a natural look and requires careful aftercare.
11 citations
,
January 2016 in “Mycoses” Human black hair is best for distinguishing between T. mentagrophytes and T. verrucosum.
14 citations
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January 1977 in “PubMed” The hair keratin variant is mostly found in Caucasians.
May 2026 in “Journal of Investigative Dermatology”
16 citations
,
December 2006 in “Expert Review of Dermatology” Hair follicles are essential for skin health, aiding in hair growth, wound healing, and immune function.
Daily hair care may cause holes in hair fibers.
27 citations
,
September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
The inner root sheath in hair follicles plays a key role in hair growth and health.
11 citations
,
January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
66 citations
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January 2000 in “Hormone Research in Paediatrics” Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
1 citations
,
April 2024 in “Journal of Autoimmunity” Interleukin-15 can help hair growth and protect hair follicles.
98 citations
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June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
Skin stem cells in hair follicles are important for touch sensation.
December 2019 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Donkey and horse hair have different microscopic structures, which can help tell them apart.
28 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” 660 citations
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December 2011 in “Cell” Different hair follicles in the skin are innervated by unique combinations of mechanosensory neurons, crucial for touch sensation.