21 citations,
January 2018 in “The Korean Journal of Physiology and Pharmacology” Modified stem cells from umbilical cord blood can make hair grow faster.
21 citations,
August 2014 in “Journal of Cell Communication and Signaling” Tsukushi helps control inflammation and aids in wound healing.
21 citations,
May 2005 in “Journal of the American Veterinary Medical Association” The exact cause of growth hormone-responsive alopecia in dogs is unclear.
20 citations,
January 2019 in “Journal of dermatological science” Male hormones indirectly affect skin cell development by increasing growth factor levels from skin fibroblasts.
20 citations,
January 2014 in “Journal of Cosmetics, Dermatological Sciences and Applications” Using adipose derived stem cells and growth factors in hair transplants may improve healing and hair growth.
20 citations,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
20 citations,
February 1994 in “In vitro cellular & developmental biology. Animal” Wool follicles can grow in a lab with the right nutrients and conditions.
19 citations,
April 2020 in “Journal of ethnopharmacology” Prunus mira nut oil helps hair grow by affecting the Wnt/β-catenin signaling pathway.
18 citations,
January 2018 in “International journal of medical sciences” Non-thermal plasma treatment makes mouse skin thicker and increases growth factors without harming the tissue.
17 citations,
May 2011 in “Gene Therapy” Using polyethylenimine-DNA to deliver the hTERT gene can stimulate hair growth and may be useful in treating hair loss, but there could be potential cancer risks.
16 citations,
October 2018 in “Biochemical and Biophysical Research Communications” Sildenafil, often used for erectile dysfunction, may help hair growth.
15 citations,
May 2020 in “BMC complementary medicine and therapies” Polygonum multiflorum extract helps hair grow longer and fights the effects of hormones that cause hair loss.
14 citations,
December 2021 in “International journal of molecular sciences” Growth hormone levels affect hair growth and loss, with too much causing excess hair and too little leading to hair loss.
14 citations,
May 2020 in “Archiv für Tierzucht” Researchers identified genes that may affect hair growth in Cashmere goats.
13 citations,
September 2021 in “Current Issues in Molecular Biology” Dexpanthenol helps human hair follicle cells grow by preventing aging and death, and by supporting growth signals.
13 citations,
January 2020 in “Experimental Dermatology” PRP growth factor concentrations vary, no significant hair growth difference found.
13 citations,
June 2006 in “Pituitary” A woman with acromegaloidism and normal growth hormone levels had a rare X-Tetrasomy, suggesting a need to study X-chromosome genes for their role in growth and facial development.
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.
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.
12 citations,
December 2009 in “Amino Acids” Putting α-methylspermidine on mouse skin can start hair growth.
11 citations,
November 2021 in “Clinical, Cosmetic and Investigational Dermatology” Resveratrol may help hair grow, but more research is needed.
11 citations,
September 2012 in “Journal of Nanjing Medical University” Cyclosporine A was found to increase hair growth in mouse whisker follicles.
11 citations,
July 2001 in “APMIS. Acta pathologica, microbiologica et immunologica Scandinavica./APMIS” Estrogens are key for bone growth spurts in both boys and girls and affect growth into adulthood.
10 citations,
September 2016 in “Animal genetics” Researchers identified key genes and proteins linked to wool growth in sheep.
10 citations,
January 2014 in “Genetics and Molecular Research” Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.
10 citations,
November 2008 in “Veterinary Dermatology” The mouse hairy ears mutation causes longer ear hair due to changes in gene expression.
9 citations,
February 2022 in “BMC Genomics” Melatonin affects gene expression in goat hair follicles, potentially increasing cashmere production.
9 citations,
April 2019 in “International journal of molecular sciences” Human hair grows better in a special gel that mimics skin.
9 citations,
March 2019 in “Scientific reports” Temporary ROS production in cultured human hair follicles promotes growth and stem cell activation.
8 citations,
March 2022 in “Journal of The Taiwan Institute of Chemical Engineers” Extracts from a type of brown seaweed can help promote hair growth.