4 citations
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July 2014 in “Journal of Investigative Dermatology” Old people have less hair because their hair follicles don't regenerate as well, not because of fewer stem cells, and a protein called follistatin might help reactivate hair growth.
74 citations
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January 2013 in “Expert Opinion on Biological Therapy” The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.
28 citations
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October 2024 in “Advanced Materials” Artificial skin can heal wounds without scars and regenerate hair, oil, and sweat glands.
September 2025 in “Medical Materials Research” Microneedles offer a painless, precise, and versatile method for drug delivery and disease treatment.
9 citations
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December 2021 in “Androgens” Androgens like testosterone may help treat traumatic brain injury by reducing mitochondrial stress and inflammation.