21 citations
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April 2018 in “Journal of Dermatological Science” Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.
19 citations
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July 2012 in “Biotechnic & Histochemistry” Less AgNOR protein production is linked to hair loss.
13 citations
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December 2019 in “Nutrients” An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.
10 citations
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January 2001 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Lysosomal proteases and cytoplasmic enzymes help hair follicle cells develop and differentiate.
9 citations
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January 2014 in “Journal of analytical & bioanalytical techniques” The study did not conclude whether hair can reliably indicate kidney stones, cholelithiasis, hypertension, or diabetes.
9 citations
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January 2003 The evolution of mammal body hair remains a mystery.
5 citations
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August 2011 in “Journal of Dermatological Science” Dentin sialoprotein and phosphophoryn are present in rodent hair follicles and may help hair growth and development.
1 citations
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January 1996 Cysteine and arginine are essential for hair growth and thickness.
February 2026 in “Aesthetic Plastic Surgery” Platelet-rich plasma (PRP) speeds up hair growth in mice.
November 2025 in “Scientific Reports” COVID-19 may cause hair loss by affecting hair follicles.
August 2025 in “Journal of the Korean Society of Cosmetology” People want more specialized shampoos for different scalp and hair needs.
December 2024 in “Majalah kedokteran Bandung/Majalah Kedokteran Bandung” Carrot seed oil thickens hair roots and tips, with 75% concentration being most effective.
March 2024 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Hair becomes less stiff as we age because of a decrease in zinc, which is linked to lower levels of the protein TG3.
132 citations
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August 2008 in “Development” Dlx3 is essential for hair growth and regeneration.
116 citations
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April 1986 in “The journal of cell biology/The Journal of cell biology” Trichohyalin is a protein in hair follicles that helps form hair filaments.
108 citations
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October 2003 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin makes hair follicles stronger.
96 citations
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October 2000 in “The FASEB Journal” The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
88 citations
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July 1958 in “Nature” Citrulline was found in hair follicle proteins for the first time.
87 citations
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April 2018 in “Biochemical and Biophysical Research Communications” Exosomes from dermal papilla cells can help grow hair and might treat hair loss.
70 citations
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May 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Notch/RBP-J signaling is crucial for proper placement and timing of melanocyte development in hair follicles.
51 citations
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February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
39 citations
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February 1990 in “The journal of cell biology/The Journal of cell biology” Trichohyalin, a hair follicle protein, has a part with repeating patterns of 23 amino acids.
34 citations
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May 2001 in “Endocrinology” Mrp3 helps in wound healing and hair growth.
26 citations
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July 2006 in “International Journal of Cosmetic Science” Taurine helps protect and promote hair growth.
23 citations
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January 2018 in “BMC genomics” Vimentin is involved in regulating the hair growth cycle in Inner Mongolian Cashmere goats.
19 citations
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May 2001 in “Endocrinology” Mrp3 may aid in wound healing and hair growth.
15 citations
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August 2017 in “International Journal of Molecular Medicine” Panax ginseng extract may help prevent hair loss caused by DKK-1.
10 citations
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December 2021 in “Frontiers in cell and developmental biology” The research identified genes that explain why some sheep have curly wool and others have straight wool.
9 citations
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January 2021 in “International Journal of Medical Sciences” Sox10 is important for hair follicle development and hair growth cycles.
6 citations
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July 2022 in “World journal of stem cells” Using extracellular vesicles from stem cells can help hair grow by affecting scalp cells and hair follicles.