August 1994 in “Journal of dermatological science” Mouse hair cells respond to male hormones by growing less, and this can be stopped by certain blockers.
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.
June 2020 in “Applied sciences” A new semi-automatic hair implanter could make hair transplants easier, more successful, and more accessible.
19 citations
,
April 2010 in “Journal of Dermatological Treatment” Partial hair follicle extraction can effectively double the number of hair follicles for transplants, with most surviving and growing normally after a year.
17 citations
,
February 2013 in “PLOS ONE” 6-Gingerol, found in ginger, may slow down hair growth and could be used for hair removal.
11 citations
,
October 2015 in “Clinical and Experimental Dermatology” Sophora flavescens extract helps hair growth and treats hair loss.
December 2025 in “Frontiers in Medicine” Biofibre ® 4.0 hair implants are safe and satisfy most patients with hair loss.
September 2025 in “Clinical Cosmetic and Investigational Dermatology” Exosome therapy shows promise for hair growth with minimal side effects, but more research is needed.
August 2023 in “International journal of research in medical sciences” The serum is safe and helps treat premature greying of hair.
January 2017 in “Korean Journal of Pharmacognosy” Modified red ginseng extract promotes hair growth and has antioxidant and anti-inflammatory effects.
15 citations
,
January 1987 in “Electrophoresis” Human head hair proteins can be typed into eight distinct patterns, useful for genetic and forensic investigations.
7 citations
,
April 2018 in “Cosmetics” Lipids in Japanese hair help maintain glossiness and structure.
2 citations
,
August 2020 in “Clinical, Cosmetic and Investigational Dermatology” The hair-growth formula with L-cystine helps protect and grow hair cells.
32 citations
,
December 2003 in “Planta” Hypaphorine from a fungus changes the internal structure of Eucalyptus root hairs, stopping their growth.
108 citations
,
July 2004 in “American Journal of Pathology” Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.
54 citations
,
October 2002 in “Journal of controlled release” Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.
36 citations
,
September 2015 in “Forensic Science International: Genetics” Certain DNA variants can predict straight hair in Europeans but are not highly specific.
25 citations
,
September 2018 in “Molecular Biology of the Cell” Blocking Wnt/β-catenin signaling with EGF receptor is necessary for proper hair growth.
13 citations
,
December 2017 in “BMC Complementary and Alternative Medicine” The Asian herbal mix with Houttuynia cordata, Perilla frutescens, and green tea helped grow hair in mice.
10 citations
,
November 2022 in “Protein & Cell” Quercetin significantly helps hair growth by activating hair follicles and improving blood vessel formation around them.
4 citations
,
July 2019 in “IOP conference series” Most young men with early gray hair have low vitamin D but normal iron levels.
December 2019 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Donkey and horse hair have different microscopic structures, which can help tell them apart.
59 citations
,
August 2010 in “Journal of The American Academy of Dermatology” Certain hairstyles and less hair oil use in African American girls can lead to scalp conditions like traction alopecia and seborrheic dermatitis.
25 citations
,
March 2017 in “Journal of Dermatological Treatment” Platelet-rich plasma treatment for non-scarring hair loss shows mixed results and needs more research.
25 citations
,
May 2021 in “Journal of exposure science & environmental epidemiology/Journal of exposure science and environmental epidemiology” Common Black hair care products may affect hormone levels and potentially impact health, especially in reproductive and metabolic areas.
Wildebeest stress and hormone levels are influenced by food availability, human presence, and reproductive cycles.
43 citations
,
September 2014 in “Molecular Plant” CLE40 and CRN/CLV2 pathways have opposite effects on root growth in Arabidopsis.
30 citations
,
March 2017 in “PLoS ONE” Sulfur slightly improved diet estimates for grizzly bears, but hair growth timing varied, affecting results.
9 citations
,
October 2018 in “Journal of Cosmetic Dermatology” Isotretinoin at a low dose for three months does not significantly affect hair growth.
7 citations
,
January 2016 in “Laboratory Investigation” TR3 is mainly found in hair follicle stem cells and may be involved in hair loss.