July 2020 in “Family Medicine” Diffuse hair loss can signal health issues like iron deficiency, and a new supplement, Richter FerroBio, may help improve hair growth.
405 citations
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January 2004 in “Journal of Investigative Dermatology” Hair follicle size and distribution vary significantly across different body sites.
316 citations
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June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.
263 citations
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February 2011 in “Journal of Controlled Release” Medium-sized particles penetrate hair follicles better than smaller or larger ones, which could improve delivery of skin treatments.
162 citations
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August 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The new "differential stripping" method effectively measures how much substance gets into hair follicles.