March 2023 in “Clinical, cosmetic and investigational dermatology” IL-33 is linked to hair follicle damage in psoriasis and could be a treatment target for hair loss in this condition.
April 2021 in “Journal of Investigative Dermatology” Leontopodium alpinum extract may help reduce hair shedding by keeping hair in the growth phase longer.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Tet1, Tet2, and Tet3 are important for the development of hair follicles and determining hair shape by controlling hair keratin genes.
January 2019 in “Journal of Entomology and Zoology Studies” Ruminant goats have larger and more defined hair follicles than younger goats.
January 2016 in “Research Explorer (The University of Manchester)” Activating the Eda/Edar pathway improves wound healing by enhancing hair follicle growth.
March 2007 in “Journal of Plastic Reconstructive & Aesthetic Surgery” A new method was developed to create better skin models for healing and reconstruction.
January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
250 citations
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November 2003 in “The Journal of Cell Biology” BMP receptor IA is essential for proper hair cell differentiation in mice.
86 citations
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August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
40 citations
,
November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” S100A3 protein is crucial for hair shaft formation in mice.
21 citations
,
April 2018 in “Journal of Dermatological Science” Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.
13 citations
,
December 2019 in “Nutrients” An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.
10 citations
,
January 2001 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Lysosomal proteases and cytoplasmic enzymes help hair follicle cells develop and differentiate.
9 citations
,
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
,
January 2003 The evolution of mammal body hair remains a mystery.
5 citations
,
August 2011 in “Journal of Dermatological Science” Dentin sialoprotein and phosphophoryn are present in rodent hair follicles and may help hair growth and development.
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
,
August 2008 in “Development” Dlx3 is essential for hair growth and regeneration.
116 citations
,
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
,
October 2003 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin makes hair follicles stronger.
96 citations
,
October 2000 in “The FASEB Journal” The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
88 citations
,
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
,
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
,
February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
47 citations
,
April 2001 in “Journal of Dermatological Science” IGF-I and HGF attract and stimulate hair follicle cells to move.