91 citations
,
April 2011 in “Journal of Ethnopharmacology” Polygonum multiflorum extract helps grow hair by activating certain hair growth signals in mice.
Hairless mammals evolved quickly in both gene and non-gene areas related to skin and hair.
MicroRNA miR-22 causes hair loss by making hair follicles regress early.
3 citations
,
August 2019 in “Medika Tadulako: Jurnal Ilmiah Kedokteran Fakultas Kedokteran dan Ilmu Kesehatan” A 3% hair tonic with bitter melon leaf and carrot extracts boosts hair growth effectively.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” M2 macrophages help hair regrowth in wounds by making growth factors.
5 citations
,
October 2021 in “Frontiers in Cell and Developmental Biology” Fat tissue under the skin affects hair growth and aging; reducing its inflammation may help treat hair loss.
April 2025 in “Drug Design Development and Therapy” Jiawei Erzhiwan helps hair growth in androgenetic alopecia by affecting specific cell pathways.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” DKK2 and SOSTDC1 together are necessary for the normal timing of the first regression phase in the hair growth cycle.
7 citations
,
June 2017 in “Omics” The study developed a method to analyze ancient hair proteins using very small samples.
2 citations
,
January 1977 in “PubMed” February 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Rodent spiny hair traits are due to genetic factors other than the Edar gene.
40 citations
,
July 1989 in “Journal of Cell Science” Rat hair follicles can be kept alive in a lab for 7 days but then stop growing.
March 2023 in “Chemical biology & drug design” Panax notoginseng saponins help hair growth in mice.
40 citations
,
February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
14 citations
,
July 2007 in “International Journal of Cosmetic Science” The new 3D imaging method accurately measures hair surface details quickly.
59 citations
,
November 2011 in “Development” Trps1 is essential for proper hair follicle development.
10 citations
,
January 2011 in “Journal of biomedical optics” OCT is a reliable, noninvasive way to measure hair thickness.
18 citations
,
April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin patterns are formed by simple reaction-diffusion mechanisms.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” The treatments stopped hair regrowth in mice.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
July 2022 in “Journal of Investigative Dermatology” Dkk4 is necessary for the initial development and arrangement of hair follicles.
April 2022 in “Medical Molecular Morphology”
24 citations
,
April 2020 in “Cells” DNA methylation and long non-coding RNAs are key in controlling hair growth in Cashmere goats.
Malnourished people have weaker hair that is easier to pluck.
January 2012 in “Yearbook of Dermatology and Dermatologic Surgery” The study concluded that a 'Swiss cheese' pattern in hair follicles is a useful sign for diagnosing alopecia areata.
1 citations
,
March 2023 in “Anais Brasileiros de Dermatologia”
19 citations
,
December 2001 in “Dermatologic Therapy” Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.
33 citations
,
August 2013 in “British Journal of Dermatology” Lack of small, fine hair on the front hairline is a key sign of frontal fibrosing alopecia.
45 citations
,
March 2001 in “Journal of Investigative Dermatology” A new protein, mK6irs, is found in specific hair layers and may help understand hair growth and diseases.