February 2013 in “Journal of the American Academy of Dermatology” Certain gene variations may increase the risk of alopecia, and platelet-rich plasma treatment can improve hair density in those with hair loss; a rare case of facial Becker's nevus was linked to uneven beard growth.
105 citations
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December 1998 in “Archives of Dermatological Research” Dermal papilla cells mainly drive blood vessel growth in hair follicles.
January 2009 in “International Journal of Pathology and Clinical Medicine” VEGF is important for hair growth and cycle control.
1 citations
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March 1991 in “PubMed” Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.
March 2025 in “International Journal of Molecular Sciences” Veratric Acid may help promote hair growth and reduce hair loss.
6 citations
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February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
June 2020 in “Journal of Investigative Dermatology” Tiny particles from skin cells can help activate hair growth.
88 citations
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May 2005 in “Journal of Dermatological Science” Versican, a protein, is less present in thinning hair follicles and this decrease might contribute to common hair loss in men.
December 2020 in “Research Square (Research Square)” Neural cell nanovesicles help hair growth by activating key signals.
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.
2 citations
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January 2022 in “International journal of trichology” Eruptive vellus hair cysts are often missed in diagnoses.
1 citations
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January 2019 in “PubMed” cgVEGF164 boosts hair follicle growth in mice.
48 citations
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July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
August 2020 in “Research Square (Research Square)” Neural progenitor cell-derived nanovesicles help hair growth by activating a key signaling pathway.
August 2018 in “The Molecular Biology Society of Japan”
520 citations
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February 2001 in “Journal of Clinical Investigation” VEGF helps hair grow and determines follicle size by increasing blood vessel growth.
Understanding hair follicle interactions can help treat male pattern baldness.
April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
October 2019 in “Skin appendage disorders” The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.
12 citations
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May 2002 in “PubMed” Hair growth is regulated by a combination of hormones, blood vessels, and nerve signals.
40 citations
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February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
13 citations
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January 2012 in “Dermatology” Eruptive vellus hair cysts are rare, benign skin lesions that are hard to treat.
23 citations
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February 2019 in “International Journal of Molecular Sciences” Activin B can boost hair growth by promoting cell proliferation and cell cycle progression.
Vogt–Koyanagi–Harada disease can cause rare hair growth on normally hairless thumb skin.
157 citations
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April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
4 citations
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January 2013 in “Genetics and Molecular Research” VEGF and microvessel density are closely linked and peak during specific hair growth phases in cashmere goats.
Understanding hair follicle communication can help treat hair loss.
Platelet-derived extracellular vesicles can boost hair growth by activating a specific signaling pathway.
13 citations
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November 1959 in “Annals of the New York Academy of Sciences” Human hair follicles can grow back.