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.
Pregnancy and hormonal contraceptives can cause temporary hair loss on the scalp and increased hair growth on the face and body.
April 2023 in “Journal of Investigative Dermatology” AL136131.3 slows hair growth by affecting energy processes in hair loss.
September 2017 in “Journal of Investigative Dermatology” Injections of special skin cells showed potential in treating hair loss, with some participants experiencing increased hair density.
Frontal hair in male pattern baldness shows reduced growth and thickness.
20 citations
,
January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
18 citations
,
January 1994 in “Skin Pharmacology and Physiology” Androgens shorten hair growth phases, causing finer hair and more severe hair loss in men.
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.
6 citations
,
December 2019 in “BMC Complementary and Alternative Medicine” Alcohol extract from Vernonia anthelmintica seeds may help treat stress-related hair loss.
Minoxidil can slow hair loss and promote regrowth but won't fully restore hair.
February 2024 in “Current Medicinal Chemistry” Minoxidil nanocrystals improved hair growth in mice more effectively and safely than regular Minoxidil.
January 2010 in “Bradford Scholars (University of Bradford)” MicroRNAs are crucial for hair growth and skin balance.
March 2025 in “Molecular Medicine” Cholesterol helps hair grow by activating nerves and boosting hair follicle stem cells.
September 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Freezing gamma-irradiated amniotic fluid may help hair growth and speed up the growth phase.
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.
210 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
158 citations
,
May 2003 in “Journal of Investigative Dermatology” Hair growth is influenced by dynamic changes in hair follicle cells, which could help treat hair loss.
88 citations
,
June 2019 in “Cell reports” Certain small molecules can promote hair growth by activating a cellular cleanup process called autophagy.
57 citations
,
June 2003 in “American Journal of Physiology-cell Physiology” Cyclosporin A helps mice grow hair by blocking a specific protein activity in skin cells.
42 citations
,
June 2019 in “Aging” 3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.
40 citations
,
January 2016 in “PLoS ONE” Shorter daylight increases hair growth in Cashmere goats.
29 citations
,
January 2021 in “Journal of nanobiotechnology” Tiny particles from brain cells help hair grow by targeting a specific hair growth pathway.
21 citations
,
March 2019 in “Experimental Dermatology” Immune cells around hair follicles help control hair growth and could be targets for treating hair disorders.
18 citations
,
April 2016 in “Toxicological Research” Lavender oil significantly promotes hair growth in mice.
7 citations
,
June 2022 in “Czech Journal of Animal Science” Certain circular RNAs help cashmere goats grow more hair.
6 citations
,
August 2024 in “Experimental Dermatology” Irisin can promote hair growth by activating a specific signaling pathway.
6 citations
,
March 2022 in “PLoS ONE” Centipedegrass extract may promote hair growth by activating certain cell pathways.
5 citations
,
February 2022 in “Stem cell reports” Thymic stromal lymphopoietin (TSLP) promotes hair growth, especially after skin injury.
2 citations
,
May 2024 in “European journal of medical research” A special medium from stem cells significantly boosts hair growth and could help treat hair loss.
2 citations
,
February 2012 in “PubMed” Gp₄G promotes hair growth and improves skin health.