July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking mTORC1 activity with rapamycin could help increase hair pigmentation and growth, potentially reversing gray hair.
March 2017 in “Trichology and cosmetology:” Psoriasis treatment may affect body hair growth, with a complex relationship between skin and hair growth mechanisms.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Neoplasms hide in hair follicles to avoid the immune system.
January 2008 in “Acta Anatomica Sinica” Minoxidil promotes hair growth by delaying the hair's resting phase.
January 2006 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” Rubus coreanum may help hair growth but not through the tested mechanisms, and none of the herbal extracts help with acne.
January 2002 in “Journal of Clinical Dermatology” Minoxidil boosts hair growth at low doses but slows it at high doses.
The estrogen receptor pathway controls hair growth cycles and affects skin cell growth.
119 citations
,
November 1969 in “Journal of Ultrastructure Research” Macrophages help break down collagen around hair follicles during hair growth.
76 citations
,
March 2005 in “Journal of Molecular Medicine” Certain mice without specific receptors or mast cells don't lose hair from stress.
63 citations
,
April 2005 in “Mechanisms of development” Mice with too much Claudin-6 have skin barrier problems and abnormal hair growth.
34 citations
,
May 2001 in “Endocrinology” Mrp3 helps in wound healing and hair growth.
29 citations
,
March 2010 in “Journal of Dermatological Science” Wnt3a activates certain genes in hair follicle cells, including a newly discovered one, EP2, which may affect hair growth.
20 citations
,
December 2015 in “Journal of Pharmacopuncture” Thread-embedding therapy helped hair grow back in mice and might do the same in humans.
19 citations
,
May 2001 in “Endocrinology” Mrp3 may aid in wound healing and hair growth.
14 citations
,
June 2012 in “Stem Cells” TACE/ADAM17 is essential for maintaining healthy hair and hair follicle stem cells.
9 citations
,
March 2015 in “Journal of Microbiology and Biotechnology” Ultra-high molecular weight poly-γ-glutamic acid may help promote hair growth.
8 citations
,
November 2024 in “Phytomedicine” Isoquercitrin helps hair grow by activating certain cell processes.
8 citations
,
February 2017 in “Archives of Dermatological Research” Intense pulsed light treatment effectively reduces underarm hair by making hair follicles smaller and extending their resting phase.
3 citations
,
July 2019 in “International journal of scientific research in science and technology” Herbal hair gel with fenugreek seed extract was found to increase hair growth.
3 citations
,
November 2011 in “European Journal of Dermatology” 4-O-methylhonokiol from Magnolia officinalis significantly promotes hair growth.
1 citations
,
March 2019 in “Journal of Drug Delivery and Therapeutics” The petroleum ether extract of Abrus precatorius leaf was found to promote hair growth effectively, similar to a common hair growth treatment.
November 2025 in “The Journal of Dermatology” Minoxidil helps hair regrow faster in stress-related hair loss.
November 2024 in “Journal of Investigative Dermatology” Aptamers can improve wound healing and promote hair growth.
July 2024 in “Journal of Investigative Dermatology” Ashwagandha nanoparticles help hair grow by increasing a growth factor.
September 2021 in “Yearbook of pediatric endocrinology” Stress hormone stops a growth signal and keeps hair stem cells inactive, reducing hair growth.
January 2021 in “International journal of pharmaceutical research” Sansevieria trifasciata P. extracts, especially the ethyl acetate fraction, effectively promote hair growth in male rabbits with hair loss.
May 2019 in “Journal of Drug Delivery and Therapeutics” The extract from Hemidesmus indicus seeds significantly promotes hair growth, similar to minoxidil.
April 2018 in “Journal of Investigative Dermatology” Glycogen metabolism is important for energy and processes in human hair follicles, and hair follicles may produce glucose from lactate.
September 2017 in “Journal of Investigative Dermatology” Blue light helps hair growth by affecting specific proteins in hair follicle cells.