July 2023 in “Frontiers in Veterinary Science” Melatonin helps hair grow by activating the RORα receptor in goats.
28 citations
,
March 2011 in “Journal of Investigative Dermatology” Hair follicles help guide nerve growth, improving touch recovery in skin grafts.
28 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology”
Injecting follicular cells into skin can lead to the formation of new hair follicles.
January 1994 in “Skin research” EGF and TGF-α help maintain hair cell cultures, but TGF-β1 stops their growth.
May 2025 in “Journal of Neonatal Surgery” Plant growth factors can help regrow hair in androgenic alopecia.
15 citations
,
May 2004 in “Facial Plastic Surgery Clinics of North America” The document concludes that while "hair follicle cloning" shows promise for unlimited donor hair, it faces challenges with consistency and safety in humans.
January 2026 in “Avicenna Bulletin” Aligning hair implants with natural growth patterns improves hair transplant results.
28 citations
,
January 1996 in “Skin Pharmacology and Physiology” Minoxidil boosts hair cell growth, while cyclosporin does not.
18 citations
,
January 2008 in “Journal of The American Academy of Dermatology” Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.
3 citations
,
February 2021 in “Experimental dermatology” Dermal papilla microtissues could be useful for initial hair growth drug testing.
June 2020 in “Journal of Investigative Dermatology” Tiny particles from skin cells can help activate hair growth.
6 citations
,
November 2023 in “JCI Insight” Exogenous stem cells can effectively integrate into hair follicles, promoting hair growth.
January 2022 in “Figshare” Melatonin affects when and how goat hair follicle genes turn on and off during growth cycles.
July 2025 in “Scientific Reports” Serotonin helps hair grow by activating certain cells.
88 citations
,
January 1981 in “British Journal of Dermatology” A new method helps grow human hair cells using a cow eye lens.
39 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” FGF and EGF are crucial for hair follicle development and growth.
2 citations
,
October 2023 in “Science advances” Touching hair can activate nearby nerve cells through signals from the hair's outer layer.
13 citations
,
May 2005 in “Seminars in Plastic Surgery” Follicular Cell Implantation might become a new treatment for hair loss and could lead to advances in organ regeneration.
Some factors can either promote or inhibit hair growth.
25 citations
,
July 1994 in “Journal of dermatological science” Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
30 citations
,
December 2009 in “The FASEB Journal” Fluphenazine and iloprost can induce hair growth.
April 2023 in “Journal of Investigative Dermatology” Hair growth is driven by cells that move and change like a conveyor belt.
109 citations
,
January 1997 in “Journal of Experimental Botany” Root hair growth is influenced by bacteria signals, cytoskeleton organization, and genetic factors.
October 2023 in “Scientific Reports” Oxytocin may help hair grow by increasing hair growth-related genes and factors.
39 citations
,
October 2010 in “Journal of The American Academy of Dermatology” Some patients with mycosis fungoides or Sézary syndrome experience hair loss, which may be similar to alopecia areata or linked to skin lesions, possibly due to abnormal T cells, and bexarotene can help treat it.
37 citations
,
September 2008 in “The American journal of surgical pathology” Hair follicle hyperplasia is common in both benign and malignant skin lymphoproliferative disorders, with a proposed new term "pseudolymphomatous adnexitis."
7 citations
,
November 2007 in “Annales de Dermatologie et de Vénéréologie” A man was diagnosed with a rare form of lupus after showing unique skin symptoms that responded well to treatment.
4 citations
,
March 2015 in “Skin Research and Technology” Trichotillometry is a reliable method to measure hair strength and assess hair loss treatments.