190 citations
,
October 2002 in “The FASEB journal” Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.
15 citations
,
November 2020 in “International Journal of Molecular Sciences” Multi-walled carbon nanotubes can enhance root hair growth in certain plants by affecting nitric oxide and ethylene pathways, but only at specific concentrations.
280 citations
,
January 2004 in “The EMBO Journal” AGC2-1 protein is essential for root hair growth in Arabidopsis.
147 citations
,
April 1994 in “Drug Safety” Some drugs can cause hair loss or increase hair growth, but these effects are usually reversible when the drug is stopped.
83 citations
,
December 2001 in “Journal of Investigative Dermatology” Minoxidil boosts hair growth by targeting adenosine and possibly sulfonylurea receptor 2B.
49 citations
,
April 2012 in “Phytotherapy Research” Rosemary leaf extract may be an effective natural treatment for hair growth and male pattern baldness.
22 citations
,
August 2015 in “PloS one” Keratin from hair binds well to gold and BMP-2, useful for bone repair.
13 citations
,
August 2021 in “Journal of Cosmetic Dermatology” Tea extracts can protect hair from UV damage.
12 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain sex hormones and antiandrogens can either slow down or speed up the growth of human hair follicle cells depending on their concentration.
7 citations
,
January 2022 in “Molecules” Tectoridin helps human hair cells grow and makes mouse hair longer, suggesting it could treat hair loss.
3 citations
,
January 2009 in “Sen'i Gakkaishi” Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.
2 citations
,
January 2012 in “International Journal of Trichology” Coffee and tea might help hair growth in balding individuals, but side effects and alternative uses are being considered.
2 citations
,
September 2004 in “Experimental Dermatology” VR1 signaling can inhibit hair growth by affecting cell processes and increasing hair growth inhibitors.
1 citations
,
June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
April 2026 in “Science Progress” GLP-1 therapies, especially semaglutide and tirzepatide, may cause hair loss, particularly in women and with rapid weight loss.
November 2025 in “Journal of Investigative Dermatology” CBD can help hair grow by supporting scalp health and reducing inflammation.
November 2025 in “Cosmetics” Rice germ oil improves hair health, but adding ferulic acid offers limited benefits and may worsen chemically damaged hair.
January 2025 in “Archives of Dermatological Research” Moracin M helps hair grow by activating specific pathways and improving blood vessel formation.
July 2023 in “New phytologist” The BUZZ gene is important for root hair growth and overall root structure in the plant Brachypodium distachyon.
July 2022 in “Journal of Investigative Dermatology” Inhibiting TYK2 can restore hair growth in alopecia areata.
August 2021 in “Clinical and Experimental Dermatology” Children under 10 can experience hair thinning without hormone issues, and it may improve with treatment.
April 2017 in “Journal of Dermatological Science” Zinc deficiency disrupts hair growth and regeneration, but can be reversed with zinc supplementation.
January 2015 in “SciDok (Saarland University and State Library)” Clobetasol nanocarriers can be effectively delivered to hair follicles, with uptake improved by massage and affected by particle type.
The model explains how mammal ear hair cells respond to sound and adapt.
83 citations
,
March 1995 in “PLANT PHYSIOLOGY” The differentiation stage of root epidermal cells is crucial for root hair depolarization in Medicago sativa when exposed to specific Nod factors.
1 citations
,
January 2016 in “Journal of Biosciences and Medicines” The ACTH/MC2R system is crucial for controlling hair growth cycles in mice.
June 2023 in “Clinica Chimica Acta” Finasteride and dutasteride effectively reduce DHT in hair, which may help evaluate their treatment success for hair loss.
December 2022 in “Frontiers in plant science” CCDC22 and CCDC93 are essential for root and root hair growth in Arabidopsis.
January 2013 in “Food science and technology research” Green tea extract may increase copper levels in mouse hair without affecting liver copper.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” The protein p21 is more abundant in normal skin cells than in melanoma cells and may help protect against melanoma, with UVB light affecting its levels.