218 citations
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January 2013 in “The Lancet Oncology” Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.
211 citations
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October 2001 in “The FASEB Journal” Noggin is necessary to start the hair growth phase in skin after birth.
207 citations
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April 2006 in “Journal of The American Academy of Dermatology” Iron deficiency may be related to hair loss, but there's not enough evidence to recommend iron screening or supplements for all hair loss patients.
205 citations
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April 2005 in “Journal of Investigative Dermatology” Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.
192 citations
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April 2019 in “ACS nano” A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.
192 citations
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March 2017 in “Cell host & microbe” Hair follicle development and microbes help regulatory T cells gather in newborn skin.
191 citations
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September 2011 in “Cell stem cell” Hair follicle stem cells use specific chromatin changes to control their growth and differentiation.
174 citations
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April 2005 in “The American journal of pathology (Print)” Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.
163 citations
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April 2019 in “Nature Communications” Mechanical stretching of the skin can promote hair growth by activating certain immune cells.
159 citations
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July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.