February 2001 in “Chinese Journal of Dermatology” Epidermal growth factor (EGF) boosts the growth of hair follicle cells.
Testosterone and dihydrotestosterone can slow down the growth of certain hair follicle cells.
9 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Sex hormones and antiandrogens can either stimulate or inhibit human hair follicle cell growth depending on the dose.
56 citations
,
August 1994 in “PubMed” Prolactin and melatonin can stimulate hair growth in Cashmere goat hair follicles, but melatonin may reduce follicle viability over time.
December 2023 in “International Journal of Biological Macromolecules” Chitosan nanoparticles loaded with Minoxidil were effective for hair growth but released the drug more slowly than the amphiphilic derivative.
77 citations
,
February 2001 in “Journal of Dermatological Science” HGF activator helps convert HGF to its active form, promoting hair growth.
68 citations
,
December 2011 in “Journal of Investigative Dermatology” Sox2-positive dermal papilla cells have unique characteristics and contribute more to skin and hair follicle formation than Sox2-negative cells.
8 citations
,
February 2025 in “Frontiers in Medicine” IGF-1, KGF, and stem cells help skin cells move and survive, potentially speeding up wound healing.
2 citations
,
January 2018 in “The Korea Journal of Herbology” A herbal extract can boost hair growth and pigmentation like minoxidil.
April 2026 in “Frontiers in Physiology” Polygonum multiflorum root nanovesicles may help hair growth and treat hair loss.
October 2025 in “Journal of Ethnopharmacology” Andrographolide from Andrographis paniculata promotes hair growth and could be a natural treatment for hair loss.
November 2024 in “Journal of Investigative Dermatology” Ursolic and shikimic acid together boost hair growth better than alone.
January 2002 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” The extracts were found to promote hair growth.
41 citations
,
January 2007 in “Journal of Korean Medical Science” Minoxidil and ATRA together boost hair growth more effectively than minoxidil alone.
61 citations
,
May 2015 in “Planta” Certain fungi and bacteria help orchid seeds germinate and plants grow better.
39 citations
,
July 2007 in “Archives of Pharmacal Research” A tripeptide-copper complex may help hair grow by increasing cell growth and decreasing cell death.
33 citations
,
January 1997 in “Journal of Investigative Dermatology”
23 citations
,
January 2020 in “Frontiers in Pharmacology” Dihydrotestosterone affects hair growth by changing the Wnt/β-catenin pathway, with low levels helping and high levels hindering growth.
6 citations
,
August 2019 in “PLOS ONE” Gambogic Amide helps maintain hair color and promotes hair growth.
3 citations
,
April 2016 in “Food Science and Biotechnology” Oriental melon leaf extract may help hair grow and keep it in the growing phase longer.
September 2024 in “International Journal of Molecular Sciences” Hydrangea serrata extract may promote hair growth and improve hair health.
Biotin boosts wool growth and follicle health in sheep.
82 citations
,
March 1992 in “Journal of Investigative Dermatology”
60 citations
,
May 2014 in “British Journal of Dermatology” Caffeine affects hair growth and health differently in men and women.
15 citations
,
April 2001 in “Journal of Dermatological Science” KF19418 promotes hair growth similarly to minoxidil but is not better in live mice.
13 citations
,
January 2002 in “Biochemical and biophysical research communications” Interferon β from hair cells stops the growth of other hair cells.
9 citations
,
March 1987 in “British Journal of Dermatology” EGF and FGF can boost hair growth by speeding up cell growth.
2 citations
,
July 2016 in “Clinical and Experimental Dermatology” Some types of extracellular matrix can change how human skin cells grow but don't affect their basic functions.
1 citations
,
May 2022 in “Pharmaceutics” Tea seed oil in nanostructured carriers stimulates hair growth and feels less greasy when applied.
March 2025 in “Journal of Cosmetic Dermatology” Thermus thermophilus extract improves hair growth and scalp health in men with hair loss.