215 citations
,
September 2003 in “Journal of Biological Chemistry” Vitamin D receptor and hairless protein are essential for hair growth.
2 citations
,
July 2021 in “JAAD Case Reports” Trichoscopy of the beard is useful for diagnosing frontal fibrosing alopecia in men.
The method effectively measures hair elasticity and could be useful in forensics.
32 citations
,
August 1984 in “Lancet” January 2024 in “Updates in clinical dermatology” Frontal fibrosing alopecia is a scarring hair loss condition mainly affecting postmenopausal women, with unclear causes.
6 citations
,
December 2021 in “Scientific Reports” Inhibiting class I HDACs helps maintain hair growth ability in skin cells.
January 2006 in “Journal of Clinical Dermatology” 22 citations
,
April 2010 in “Journal of Cellular Biochemistry” Certain mutations in the hairless protein disrupt its ability to regulate the hair cycle.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” 2 citations
,
August 2019 in “Electronics and Communications in Japan” The device mimics human hair follicles and detects tiny forces and moments with high sensitivity.
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.
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.
Thicker hair resists fungal damage better, and hair color doesn't affect susceptibility.
136 citations
,
July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.
2 citations
,
January 2018 in “Indian Journal of Psychiatry/Indian journal of psychiatry” Methylphenidate can cause hair loss, which stops when the drug is discontinued.
August 2025 in “Brazilian Journal of Hair Health” Hair-related body dysmorphic disorder is common in hair loss patients and needs early recognition for proper treatment.
77 citations
,
February 2001 in “Journal of Dermatological Science” HGF activator helps convert HGF to its active form, promoting hair growth.
July 2025 in “International Journal of Cosmetic Science” A new 6-point scale reliably measures heat damage to hair from styling tools.
September 2017 in “Journal of Investigative Dermatology” Fermented mackerel oil was found to promote hair growth by activating certain cell signals and increasing cell growth.
28 citations
,
July 2008 in “Developmental Biology” Smad4 is important for healthy hair follicles because it helps produce a protein needed for hair to stick together and grow.
28 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology”
38 citations
,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
July 2025 in “ACS Pharmacology & Translational Science” Maslinic acid from olive extracts promotes hair growth like minoxidil.
8 citations
,
February 2021 in “Biomolecules & therapeutics” Myristoleic acid helps hair growth by boosting cell growth and recycling processes in hair follicle cells.
8 citations
,
October 2020 in “Stem cell research & therapy” DNMT1 helps turn hair follicle stem cells into fat cells by blocking a specific microRNA.
2 citations
,
April 2019 in “Journal of Investigative Dermatology” Gasdermin A3 causes hair follicle stem cells to activate too early, leading to hair loss.
15 citations
,
May 2017 in “Journal of Cellular Biochemistry” The hairless protein is important for skin, hair, and may influence cancer development.
1 citations
,
July 2024 in “International Journal of Cosmetic Science” Infrared techniques reveal glycogen, unsaturated lipids, and calcium compounds in hair.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” M2 macrophages help hair regrowth in wounds by making growth factors.
3 citations
,
July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.