April 2021 in “Journal of Investigative Dermatology” Leontopodium alpinum extract may help reduce hair shedding by keeping hair in the growth phase longer.
91 citations
,
April 2011 in “Journal of Ethnopharmacology” Polygonum multiflorum extract helps grow hair by activating certain hair growth signals in mice.
155 citations
,
May 2016 in “Nature communications” Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.
104 citations
,
October 2016 in “PLoS ONE” CRISPR/Cas9 gene editing in cashmere goats increases hair follicles and fiber length, boosting cashmere yield.
25 citations
,
June 2004 in “Journal of Investigative Dermatology” Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.
8 citations
,
May 2018 in “The Journal of Allergy and Clinical Immunology” Activating the Nrf2 pathway reduces inflammation and cell activation in human hair follicles, suggesting a potential treatment for certain hair loss conditions.
8 citations
,
October 2017 in “Dermatology practical & conceptual” A spermidine-based supplement may help hair grow longer by keeping it in the growth phase.
6 citations
,
January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
6 citations
,
January 2016 in “Evidence-based Complementary and Alternative Medicine” Boiling and fermenting certain herbs can help hair grow by activating hair growth genes and pathways.
2 citations
,
February 2014 in “Animal Biotechnology” The PTGER2 gene is highly active in Cashmere goat skin and its activity changes with the hair growth cycle.
1 citations
,
December 2019 in “Clinical ophthalmology” Bimatoprost eye drops make rabbit eyelashes longer, thicker, and darker, and increase the number of lashes without causing inflammation.
September 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Freezing gamma-irradiated amniotic fluid may help hair growth and speed up the growth phase.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” The model can effectively test gene functions and drug responses in human skin.
330 citations
,
December 2009 in “Cell stem cell” SKPs are similar to adult skin stem cells and could help in skin repair and hair growth.
207 citations
,
March 2012 in “Development” Skin needs dermal β-catenin activity for hair growth and skin cell multiplication.
36 citations
,
March 2011 in “Nature Communications” Cells from a skin condition can create new hair follicles and similar growths in mice, and a specific treatment can reduce these effects.
27 citations
,
January 2010 in “Animal” South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.
18 citations
,
August 2018 in “The FASEB journal” Rabbits lacking the Hoxc13 gene show similar hair and skin issues to humans with ECTD-9, making them good for research on this condition.
8 citations
,
August 2020 in “Domestic Animal Endocrinology” Melatonin improved cashmere production in goats during the first cycle but had no lasting effects on the next cycle.
4 citations
,
January 2014 in “The Scientific World Journal” Red deer antler extract helps hair grow by extending the growth phase and increasing cell growth in hair follicles.
May 2023 in “Research Square (Research Square)” Shi-Bi-Man activates hair follicle stem cells and promotes hair growth by changing lactic acid metabolism and other cellular processes.
145 citations
,
November 2018 in “Nature Communications” The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.
96 citations
,
April 2007 in “Journal of Investigative Dermatology” Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
92 citations
,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
91 citations
,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
87 citations
,
April 2018 in “Biochemical and Biophysical Research Communications” Exosomes from dermal papilla cells can help grow hair and might treat hair loss.
71 citations
,
June 2001 in “American Journal of Pathology” The p53 protein helps control hair follicle shrinking by promoting cell death in mice.
68 citations
,
August 2014 in “Stem Cells Translational Medicine” Dermal papilla cells help wounds heal better and can potentially grow new hair.
62 citations
,
November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
61 citations
,
June 2014 in “Scientific Reports” Wnt1a-conditioned medium from stem cells helps activate cells important for hair growth and can promote hair regrowth.