April 2023 in “Journal of Investigative Dermatology” This study found that recombinant type III collagen may aid skin aging management by promoting fibroblast proliferation and migration, with a modest impact on inflammatory marker IL-6, though it did not significantly affect TNF-a secretion in vitro.
13 citations
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December 2019 in “Nutrients” In human follicular cells, this study found that an Annurca apple-based dietary supplement may stimulate the production of hair keratins, suggesting potential benefits for hair growth.
82 citations
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May 2004 in “British Journal of Dermatology” This study found CK19/Bcl-2-positive and Bax-negative cells in hair follicle cultures from plucked hairs, supporting their potential identification as follicular stem cells located in the bulge area.
January 2024 in “Journal of Medicinal Food” This study found that Nephelium lappaceum extract restored hair growth more effectively than finasteride in mice with testosterone-inhibited hair growth, suggesting its potential as a nutraceutical for hair growth.
14 citations
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September 2018 in “Biochemical and Biophysical Research Communications” This study suggests that co-culturing human outer root sheath cells with human dermal papilla cells can restore their ability to induce hair growth by altering gene expression through paracrine signaling.