205 citations
,
March 2012 in “Science Translational Medicine” PGD2 stops hair growth and is higher in bald men with AGA.
81 citations
,
August 2014 in “Lasers in Surgery and Medicine” Red light therapy is safe and effectively increases hair growth in women with hair loss.
13 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.
32 citations
,
December 2013 in “Biological & Pharmaceutical Bulletin” Rice bran extract can potentially treat hair loss by promoting hair growth and increasing the number of hair follicles.
112 citations
,
July 1998 in “Journal of Investigative Dermatology” Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.
36 citations
,
February 2017 in “BMC Complementary and Alternative Medicine” Geranium sibiricum extract helps hair grow and is more effective than minoxidil but can be toxic in high concentrations.
36 citations
,
December 2002 in “Experimental dermatology” Barley extract, specifically procyanidin B-3, can promote hair growth and counteract growth inhibition.
32 citations
,
June 2015 in “PLOS ONE” Olive leaf compound oleuropein helps grow hair in mice.
29 citations
,
August 2017 in “Skin appendage disorders” IGF-1 may affect hair growth and loss, but more research is needed to confirm effective and safe treatments.
7 citations
,
June 2022 in “Czech Journal of Animal Science” Certain circular RNAs help cashmere goats grow more hair.
4 citations
,
September 2016 in “Molecular Medicine Reports” Specific genes influence hair and cashmere growth in Laiwu black goats.
January 2019 in “Analytical Science and Technology” About 21% of tested hair loss supplements contained illegal synthetic drugs.
March 2005 in “Journal of The American Academy of Dermatology” Herbal extract improves hair growth in female pattern baldness.
32 citations
,
April 2016 in “Journal of Investigative Dermatology” STAT5 activation is crucial for starting the hair growth phase.
30 citations
,
December 2018 in “International Journal of Biological Macromolecules” Chitosan and surface-deacetylated chitin nanofibers may help treat hair loss.
18 citations
,
October 2005 in “International Journal of Pharmaceutics” Adding a small amount of TPGS to minoxidil can help hair growth, but too much TPGS reduces this effect and increases minoxidil in the blood.
August 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair stiffness is mainly influenced by tip compression and turgor pressure.
15 citations
,
November 2017 in “Drug Delivery and Translational Research” Certain extracts from Curcuma aeruginosa Roxb. and germacrone can boost the skin's absorption of minoxidil, a hair growth promoter, making it more effective.
12 citations
,
May 2019 in “Aesthetic Surgery Journal” Platelet-Rich Plasma and stem cell therapy can increase hair count and density, but the best method for preparation and treatment still needs to be determined.
Topical valproate can effectively promote hair growth.
81 citations
,
June 2010 in “Journal of Dermatological Treatment” The document concludes that minoxidil and finasteride are proven for hair growth, herbal remedies show promise, but more research is needed to confirm their effectiveness.
19 citations
,
February 2018 in “Lasers in Medical Science” Red light and LED treatments help hair grow by activating a specific cell signaling pathway.
16 citations
,
January 1980 in “Planta Medica” Some natural extracts and one hair tonic can promote hair growth in mice.
8 citations
,
July 2017 in “Biochemical and biophysical research communications” A new compound, BOI, can help hair grow by changing hair cycle phases and increasing certain cell contents.
6 citations
,
September 2010 in “Animal” Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.
6 citations
,
July 2009 in “Biomolecules & therapeutics” Combining MSM with MAP significantly promotes hair growth.
81 citations
,
February 1997 in “Journal of Investigative Dermatology” Minoxidil boosts hair growth by activating PGHS-1.
59 citations
,
August 2003 in “Phytotherapy Research” Ginseng, especially red ginseng, helps hair grow by increasing blood flow and energy to hair roots.
27 citations
,
September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
11 citations
,
January 2018 in “RSC Advances” Cedrol cream is more effective and safe for promoting hair growth than traditional treatments.