16 citations
,
October 2018 in “Biochemical and Biophysical Research Communications” Sildenafil, often used for erectile dysfunction, may help hair growth.
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.
12 citations
,
January 1978 Friesian heifers take about 18 months to adapt to Kenya's climate, with hair changes not strongly linked to weight gain.
March 2017 in “Trichology and cosmetology:” Psoriasis treatment may affect body hair growth, with a complex relationship between skin and hair growth mechanisms.
January 2014 in “Journal of Investigative Dermatology” Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
176 citations
,
April 2011 in “Science” Hair stem cell regeneration is controlled by signals that can explain different hair growth patterns and baldness.
26 citations
,
August 2019 in “Stem Cell Research & Therapy” PBX1 helps hair stem cells grow and change by turning on certain cell signals and preventing cell death, which may be useful for hair regrowth treatments.
62 citations
,
December 2013 in “Aaps Journal” Squarticles effectively deliver hair growth drugs to follicles and dermal papilla cells.
24 citations
,
January 2015 in “Annals of Dermatology” Herbal extracts may help hair grow and could be an alternative to synthetic hair loss treatments.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
47 citations
,
December 2006 in “Therapy” The dietary supplement helped increase hair growth in women with hair loss.
26 citations
,
December 1999 in “Journal of Investigative Dermatology” Certain genes are linked to wool follicle structure and function, but not hair cycle regulation.
132 citations
,
September 2009 in “Experimental Dermatology” A reliable system was developed to distinguish hair growth stages, aiding in identifying hair growth promoters or inhibitors.
3 citations
,
February 2018 in “Experimental and Molecular Medicine/Experimental and molecular medicine” A protein called PCBP2 controls the production of a hair growth protein by interacting with its genetic message and is linked to hair loss when this control is disrupted.
July 2024 in “Journal of Investigative Dermatology” Allergic contact dermatitis may promote hair growth by activating hair follicle stem cells.
88 citations
,
June 2019 in “Cell reports” Certain small molecules can promote hair growth by activating a cellular cleanup process called autophagy.
November 2025 in “Scientific Reports” COVID-19 may cause hair loss by affecting hair follicles.
April 2024 in “Communications biology” Enzymes involved in Vitamin A metabolism affect hair growth and type in mice.
October 2023 in “Journal of Cosmetic Dermatology” A synthetic octapeptide may help promote hair growth and counteract hair loss.
16 citations
,
July 2018 in “Experimental Dermatology” Removing Gata6 causes hair follicle and sebaceous duct enlargement.
April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
57 citations
,
January 2019 in “Stem Cell Research & Therapy” OCT4 helps hair stem cells renew and fight aging, potentially aiding hair regrowth.
19 citations
,
July 1993 in “Journal of Applied Toxicology” Different oil products cause varying levels of skin irritation in mice, which could potentially lead to tumors.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” KLF4 is important for keeping hair follicle stem cells inactive.
10 citations
,
October 2000 in “PubMed” E6/E7 oncogenes in hair follicles cause continuous hair growth by skipping the resting phase.
March 2024 in “International journal of pharmaceutics. X” Spanlastic-laden nanogel could be a better way to deliver hair growth medication through the skin for treating hair loss.
231 citations
,
October 1999 in “Journal of Clinical Investigation” Activating the Sonic hedgehog gene in mice can start the hair growth phase.
136 citations
,
July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.
29 citations
,
January 2021 in “Journal of nanobiotechnology” Tiny particles from brain cells help hair grow by targeting a specific hair growth pathway.