October 2021 in “Journal of Investigative Dermatology” Poor blood supply in hair follicles is linked to nutrient deficiency in patients with female pattern hair loss, and adding more nutrients could potentially fix this.
October 2025 in “World Journal of Advanced Research and Reviews” Onion oil may improve hair health and regrowth.
May 2023 in “Zenodo (CERN European Organization for Nuclear Research)” The dermapem technique effectively controls hair loss in women with androgenetic alopecia.
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January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
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May 1987 in “The Lancet” Topical minoxidil may help hair growth by improving blood flow to hair follicles.