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August 2008 in “Regenerative Medicine” Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.
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February 2012 in “Journal of Clinical Investigation” Stem cells in hair follicles are diverse and change throughout the hair cycle.
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January 2017 in “PubMed” All five hair fiber products improved appearance but didn't stick to completely bald areas.
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February 1983 in “The Journal of Dermatology” Hair regrowth slows with age due to changes in enzyme activity.
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December 2015 in “PloS one” Cryopreserved mouse whisker follicles can grow hair when transplanted into nude mice.
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October 2011 in “Archives of Biochemistry and Biophysics” Vitamin D receptor is essential for healthy hair growth.