December 2020 in “한국인그리에학회지” Astringent persimmon fruit extract may help increase hair length and coverage without increasing the number of hair follicles.
23 citations
,
March 2019 in “Gene” Editing the FGF5 gene in sheep increases wool length, confirming its role in hair growth.
March 2018 in “Journal of Experimental Biology” Hair curliness is caused by the arrangement and length of two different cell types.
54 citations
,
January 2013 in “BMC Complementary and Alternative Medicine” Thuja orientalis hot water extract may help hair grow by starting the growth phase and improving hair follicle development.
29 citations
,
February 2019 in “Pediatric dermatology” Trichotillomania shows specific signs like black dots and uneven hair lengths but lacks certain features of alopecia areata.
October 2023 in “Indonesian Journal of Biomedicine and Health Science” The combination of celery and candlenut extracts is best for hair length, while candlenut extract alone is best for hair thickness.
9 citations
,
February 2005 in “The Journal of Men's Health & Gender” Finasteride effectively treats male hair loss, increasing length and thickness.
4 citations
,
January 2019 in “International journal of molecular sciences” Genetically modified sheep with more β-catenin grew more wool without changing the wool's length or thickness.
22 citations
,
January 2010 in “Clinical Medicine Insights Endocrinology and Diabetes” Forearm hair has more cortisol than lower leg hair.
January 2023 in “Biomedicine & Pharmacotherapy” Low oxygen conditions improve how well certain stem cells from embryos can make hair grow longer and faster.
12 citations
,
January 1981 in “Springer eBooks” Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.
December 2010 in “Vestnik dermatologii i venerologii” Certain genes and X chromosome patterns may significantly contribute to the development of hair loss.
91 citations
,
April 2011 in “Journal of Ethnopharmacology” Polygonum multiflorum extract helps grow hair by activating certain hair growth signals in mice.
55 citations
,
June 1987 in “PubMed” Cyclosporin A significantly increases hair growth in certain areas of mice.
37 citations
,
August 2014 in “Journal of experimental botany” A gene in Arabidopsis thaliana, AtPRPL1, affects root hair length but not cell wall composition.
37 citations
,
January 2000 in “International Journal of Pharmaceutics” Topical treatments can regrow hair on bald scalps.
37 citations
,
January 1975 in “Journal of Experimental Zoology” Epilation doesn't affect rat hair growth; thyroxine speeds it up, while estradiol slows it down.
22 citations
,
February 2008 in “Journal of Dermatological Science” EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.
18 citations
,
April 2010 in “Langmuir” Human hair surface varies in wettability, showing daily and monthly patterns.
14 citations
,
July 2017 in “Pakistan Journal of Zoology” Fenugreek leaf extracts significantly promoted hair growth in mice with alopecia.
12 citations
,
April 2019 in “Scientific Reports” A protein called HMGB1 helps hair grow by affecting prostaglandin metabolism.
12 citations
,
April 2015 in “BMC research notes” Root hairs in cereal crops can grow beyond the usual zone, and using Turface® clay helps study this.
10 citations
,
December 2019 in “International journal of medicinal chemistry” Chemicals from the plant Dicerocaryum senecioides were found to safely speed up and increase hair growth in mice.
9 citations
,
January 2018 in “BioMed Research International” Tetrahydroxystilbene Glucoside may help prevent hair loss by blocking certain pathways that lead to cell death.
7 citations
,
May 1979 in “Medical & biological engineering & computing” The trichometer accurately measures hair growth and is easy to use.
2 citations
,
April 2023 in “Archives of Aesthetic Plastic Surgery” The phototrichogram is better for measuring hair thickness.
2 citations
,
July 2013 in “PubMed” The pubic hair loss was likely due to anorexia nervosa.
2 citations
,
October 2007 in “PubMed” Topical scalp treatments could potentially reduce hair extraction.
1 citations
,
March 2023 in “Frontiers in Medicine” Topical prostaglandin analogs may help with hair growth but more research is needed.
1 citations
,
December 2022 in “Current Issues in Molecular Biology” Annurca apple extract improved hair growth in mice and could potentially prevent hair loss.