Garlic can help hair grow by activating certain growth pathways, and it works whether you eat it or apply it to your scalp.
December 2022 in “Biochemical and Biophysical Research Communications” HtrA2 activity is crucial for normal hair growth by regulating fat cell development.
January 2020 in “Journal of Cosmetics, Dermatological Sciences and Applications” TrichoxidilTM could be a promising new treatment for hair loss.
January 2022 in “Biomedical Reports” Inaudible sound at 30 kHz can boost hair growth and decrease hair loss by promoting cell growth and reducing cell death in hair follicles.
450 citations
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January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
249 citations
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May 2003 in “Developmental Biology” Ectodysplasin-A1 is crucial for developing hair, teeth, and glands.
64 citations
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January 2009 in “The International journal of developmental biology” Hair follicle stem cells are controlled by their surrounding environment.
63 citations
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April 2005 in “Mechanisms of development” Mice with too much Claudin-6 have skin barrier problems and abnormal hair growth.
34 citations
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September 2019 in “Clinical, Cosmetic and Investigational Dermatology” Light therapy can stimulate hair growth and is more effective when started early, but more research is needed on its long-term effects and optimal use.
25 citations
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May 2013 in “Experimental Dermatology” Epidermal growth factor helps hair recover after chemotherapy.