58 citations
,
December 1992 in “British Journal of Dermatology” Rat hair follicles grow longer in vitro, but certain factors can inhibit this growth.
49 citations
,
September 2007 in “Journal of Investigative Dermatology” The study found that bioengineered hair follicles work when using cells from the same species but have issues when combining human and mouse cells.
35 citations
,
November 2019 in “Scientific Reports” Shikimic acid promotes hair growth.
33 citations
,
August 2015 in “F1000Research” New model shows muscle affects hair loss differently in men and women.
29 citations
,
July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
25 citations
,
November 2012 in “Phytotherapy Research” Crataegus pinnatifida extract may help increase hair growth and thickness in mice.
25 citations
,
March 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D Receptor is needed for hair growth in mice but not for skin stem cell maintenance.
11 citations
,
June 2005 in “Veterinary Dermatology” Canine hair follicle cells convert progesterone into various metabolites, mainly cortisol.
9 citations
,
February 2004 in “Veterinary Dermatology” Canine hair follicle cells metabolize DHEA and testosterone differently than human cells.
7 citations
,
March 2005 in “Journal of dermatological science” Apoptosis helps shape hair growth and prepares the skin for hair to emerge.
6 citations
,
January 2013 in “Korean Journal of Pharmacognosy” Wheat bran can boost hair growth by affecting cell cycle proteins and signaling pathways.
5 citations
,
June 2016 in “Dermatologic Surgery” Hair restoration for East Asians should consider their unique characteristics like head shape, hair thickness, and hair density, and use modified procedures and treatments to minimize scarring and maintain hair density.
3 citations
,
January 2025 in “动物学研究” The gene GJA1 is important for regulating coarse hair density in goats.
3 citations
,
November 2011 in “European Journal of Dermatology” 4-O-methylhonokiol from Magnolia officinalis significantly promotes hair growth.
1 citations
,
September 2022 in “Evidence-based Complementary and Alternative Medicine” Gardenia florida fruit extract may help hair grow and needs more research to understand how.
1 citations
,
July 2022 in “Journal of dermatology” Disrupted citric acid metabolism stops hair growth.
1 citations
,
January 2015 in “Journal of clinical and investigative dermatology” IGF-1 from human placenta helps hair grow.
1 citations
,
January 2004 in “Linchuang pifuke zazhi” Substance P helps hair growth by extending the growth phase and affecting certain growth factors.
1 citations
,
September 2003 in “CRC Press eBooks” Hair is important for social and sexual communication in humans.
November 2025 in “Journal of Nanobiotechnology” A new treatment using special nanovesicles with linoleic acid shows promise in improving hair growth and reducing irritation for hair loss.
October 2025 in “Journal of Advanced Trends in Medical Research” Exosomes and PRP both show promise for hair loss treatment, but more research is needed.
September 2025 in “PubMed” Regenerative hair transplant improves hair growth and quality using stem cells.
July 2025 in “Journal of Investigative Dermatology” Miniaturized hair follicles in androgenetic alopecia show abnormal mitochondrial activity and damage.
Advanced techniques show promise for hair regeneration, but more research is needed for practical use.
March 2025 in “International Journal of Molecular Sciences” PLIN2 affects hair growth in cashmere goats, potentially improving cashmere quality.
November 2024 in “Journal of Investigative Dermatology” Adrenomedullin 2 stops cell growth and causes cell death in human hair follicles.
July 2024 in “Journal of Investigative Dermatology” Ashwagandha nanoparticles help hair grow by increasing a growth factor.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
February 2024 in “Scientific Reports” Cinnamic acid may help hair grow by activating oxytocin receptors.
January 2024 in “Advanced Science” New microspheres help heal skin wounds and regrow hair without scarring.