215 citations
,
September 2003 in “Journal of Biological Chemistry” Vitamin D receptor and hairless protein are essential for hair growth.
June 2026 in “Mendeley Data” The database helps companies develop and understand hair loss treatments.
7 citations
,
January 1990
4 citations
,
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.
June 2026 in “Mendeley Data” The database helps companies develop and understand hair loss treatments.
65 citations
,
May 2006 in “Journal of Investigative Dermatology” Dexamethasone may influence hair growth by altering estrogen receptor activity in hair cells.
5 citations
,
January 1979 in “Archives of Dermatological Research”
December 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.
November 2025 in “Communications Biology” Human hair contains many different molecules that change along its length, influenced by personal care products.
1 citations
,
December 2023 in “Animals” Winter provides the best fur quality for Rex rabbits due to seasonal changes in specific signaling pathways.
January 1997 in “Fundamental & Clinical Pharmacology” June 2014 in “Experimental dermatology” The epidermis is crucial for hair growth.
124 citations
,
August 1994 in “Journal of Investigative Dermatology” Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.
4 citations
,
March 2022 in “BioEssays” Hydra can help understand human hair follicle microbiomes and develop new skin disease therapies.
March 2018 in “Benha Journal of Applied Sciences” Finger length ratio is not linked to hirsutism or hormone levels.
48 citations
,
January 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” Chemokine signaling is important for hair development.
6 citations
,
December 2021 in “Scientific Reports” Inhibiting class I HDACs helps maintain hair growth ability in skin cells.
36 citations
,
February 2018 in “British Journal of Dermatology” Sweat glands and hair follicles are structurally connected within a specific layer of skin fat.
16 citations
,
January 2002 in “Dermatology” Early baldness is noticed due to both reduced hair density and thinner hair shafts.
124 citations
,
April 1992 in “Journal of Endocrinology/Journal of endocrinology” Beard hair follicles have more androgen receptors than non-balding scalp hair follicles.
12 citations
,
May 2003 in “Journal of dermatological science” Hsc70 protein may influence hair growth by responding to androgens.
April 2018 in “Journal of Investigative Dermatology” 21 citations
,
June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
November 2014 in “British Journal of Dermatology” Hair loss is due to thinner hairs, not less hairs; hair diameter indicates balding progression and treatment effectiveness.
71 citations
,
October 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” HFMs can help study hair growth and test potential hair growth drugs.
2 citations
,
February 1990 in “PubMed” DDR-II hair follicle cells don't respond to 1, 25-dihydroxyvitamin D3, aiding diagnosis.
3 citations
,
September 2024 in “The FASEB Journal” Dermal white adipose tissue helps regulate hair growth, protect skin, and aid wound healing.
November 2022 in “Journal of Investigative Dermatology” Growth hormone-releasing hormone (GHRH) boosts hair growth and human scalp hair follicles have their own growth hormone system.
1 citations
,
April 2025 in “Pediatria i Medycyna Rodzinna” Restoring EDA and WNT pathways early may help improve skin, hair, and teeth issues in hypohidrotic ectodermal dysplasia.
17 citations
,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.