March 2023 in “International journal of integrated medical research” Keratosis pilaris is a common skin condition where hair follicles get clogged with keratin, mostly on the arms and thighs.
5 citations
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March 1943 in “Archives of Dermatology and Syphilology” A rare case of severe scalp hair loss and nail issues in keratosis follicularis was observed.
January 2007 in “The Year book of dermatology” Researchers successfully isolated and identified key stem cells in human hair follicles, which could help develop new skin and hair treatments.
108 citations
,
October 2003 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin makes hair follicles stronger.
335 citations
,
March 2004 in “Development” Temporary activation of β-catenin can create new hair follicles, but ongoing activation is needed to keep hair follicle tumors.
3 citations
,
June 2017 in “Journal of Biomaterials Applications” Keratin extract from human hair was found to promote hair growth in mice.
25 citations
,
June 2015 in “Clinical, Cosmetic and Investigational Dermatology” Microneedling helps increase the absorption of a melanin product into hair follicles, which may improve laser hair removal effectiveness.
71 citations
,
June 1993 in “Journal of Investigative Dermatology” 5 citations
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March 2022 in “STAR Protocols” The method helps study hair follicle stem cells and calcium signals in mouse skin.
June 2014 in “Experimental dermatology” The epidermis is crucial for hair growth.
January 2000 in “Chinese Journal of Dermatology” Ligustrum lucidum may boost hair growth by maintaining key growth factors.
10 citations
,
July 1984 in “British Journal of Dermatology” Epidermal cysts come from the skin, while pilar cysts come from hair follicles.
236 citations
,
April 2015 in “Cell” Plucking some hairs can trigger nearby unplucked hairs to grow back more due to a collective response.
January 2007 in “동의생리병리학회지 = Journal of physiology & pathology in Korean Medicine” Drynariae Rhizoma extracts, especially the acetone and EtoAc fractions, may help treat hair loss.
April 2026 in “Industrial & Engineering Chemistry Research” The new method speeds up leather unhairing and improves quality.
7 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Dermal papillae are crucial for hair growth and maintenance.
1 citations
,
January 2013 Glucosylceramides are essential for healthy skin and proper wound healing.
June 2020 in “Journal of Investigative Dermatology” Tiny particles from skin cells can help activate hair growth.
22 citations
,
July 2012 in “International Journal of Trichology” Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.
12 citations
,
July 1993 in “In Vitro Cellular & Developmental Biology - Animal” Minoxidil enhances hair growth and preserves the root sheath in cultured follicles.
March 2014 in “Journal of The American Academy of Dermatology” Azathioprine may help with severe hair loss, a new topical treatment could counteract hair thinning, and trichoscopy can diagnose hair-pulling disorder effectively.
53 citations
,
July 2002 in “Journal of Investigative Dermatology” The Dfl mutation in mice causes poor sebaceous gland function and complete hair loss.
April 2016 in “Journal of the American Academy of Dermatology” A 4-year-old girl had a rare hair disorder affecting only part of her scalp.
13 citations
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October 2013 in “The Journal of Dermatology” Cepharanthine may help hair growth by increasing IGF-I in scalp cells.
October 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Quercetin boosts hair follicle stem cell growth and reduces cell death in cashmere goats.
6 citations
,
July 2015 in “Journal of Investigative Dermatology” Chicken feather gene mutation helps understand human hair disorders.
January 2019 in “Institutional Repositories DataBase (IRDB)” Hair follicles and skin structures were successfully regenerated in the lab using specific cell arrangements and mechanical conditions.
July 2025 in “Dermatologic Surgery” December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Microneedling may help regrow eyebrow hair, but more research is needed.
January 2013 in “프로그램북(구 초록집)” A 0.5 mm microneedle roller best promotes hair growth.