35 citations
,
March 2014 in “British Journal of Dermatology” Hair loss in male pattern baldness involves muscle degeneration and increased scalp fat.
28 citations
,
March 2019 in “Journal of Dermatological Science” The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.
22 citations
,
July 2012 in “International Journal of Trichology” Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.
22 citations
,
August 1999 in “Experimental Dermatology” Certain drugs can cause early hair growth in mice by affecting the nerves.
21 citations
,
March 2019 in “Experimental Dermatology” Immune cells around hair follicles help control hair growth and could be targets for treating hair disorders.
15 citations
,
July 2019 in “Journal of Investigative Dermatology” CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.
14 citations
,
March 2015 in “Clinical and Experimental Dermatology” Human placental extract and minoxidil together significantly promote hair growth.
13 citations
,
March 2012 in “The Journal of Dermatology” Hair transplant surgery can rebuild muscle and nerve connections, allowing transplanted hairs to stand up like normal hairs.
10 citations
,
January 2009 in “Elsevier eBooks” Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.
8 citations
,
September 1958 in “Acta pathologica et microbiologica Scandinavica” Certain treatments can speed up local hair growth in mice but don't change the overall hair growth pattern.
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.
3 citations
,
June 1997 in “Veterinary Dermatology” Minoxidil treatment can stimulate hair growth in hairless puppies if applied early.
1 citations
,
February 2025 in “Scientific Reports” The method effectively analyzes skin tissue changes, especially in the arrector pili muscle and nerve fibers with hair follicles.
September 2025 in “Journal of Drug Delivery and Therapeutics” Targeting hair follicles can effectively promote hair growth and treat hair disorders.
9 citations
,
January 2015 in “Fundamental & clinical pharmacology” Cyclosporine A helps hair grow by blocking a process that would otherwise cause hair cells to die.
4 citations
,
March 2020 in “Journal of Cosmetic Dermatology” Plumbago zeylanica extract helps hair growth and reduces a hair loss-related enzyme.
2 citations
,
August 2020 in “Clinical, Cosmetic and Investigational Dermatology” The hair-growth formula with L-cystine helps protect and grow hair cells.
February 2026 in “The European Physical Journal E” Root hair growth mechanics depend on turgor pressure and cell wall properties.
October 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair growth slows under force, confirming a model of cell wall mechanics.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Chitosan slows root hair growth and causes a buildup of callose at low concentrations, but at high concentrations, it only inhibits growth without callose buildup.
Biotin boosts wool growth and follicle health in sheep.
159 citations
,
October 2015 in “Science Advances” Blocking JAK-STAT signaling can lead to hair growth.
51 citations
,
January 2003 in “Hormone Research in Paediatrics” Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.
29 citations
,
January 2004 in “Experimental Dermatology” Topical anthralin helped regrow hair in mice with a condition similar to human alopecia.
28 citations
,
May 2019 in “Life Sciences” Ginsenoside Rb1 from Panax ginseng helps mink hair grow by activating certain cell signals.
26 citations
,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
25 citations
,
May 2020 in “Daehan saengsik uihak hoeji/Clinical and experimental reproductive medicine” Injecting platelet-derived growth factors into ovaries may improve IVF outcomes by enhancing egg quality and embryo health.
20 citations
,
January 2021 in “Plants” High energy boosts root hair growth in plants, while low energy stops it.
19 citations
,
May 2020 in “Cells” Substance from human umbilical cord blood cells promotes hair growth.
19 citations
,
March 2003 in “Journal of Investigative Dermatology” Mechlorethamine treatment regrew hair in mice by killing immune cells causing hair loss without harming hair follicles.