October 2021 in “QJM: An International Journal of Medicine” This study found that injection of adipose-derived adult stem cells improved hair density, thickness, and reduced inflammation in women with female pattern hair loss over 24 weeks.
75 citations
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March 2014 in “Journal of Investigative Dermatology” This study found that aging mice experience slower and more fragmented hair cycle waves, but transplanting aged skin to a young host can partially restore hair cycling, implicating extracellular factors.
1 citations
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October 2021 in “Clinical, Cosmetic and Investigational Dermatology” In this study on cultured human dermal papilla cells, researchers found that niacinamide may enhance hair growth by reducing oxidative stress-induced cell senescence and delaying catagen entry, suggesting potential applications against hair loss.
171 citations
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July 2007 in “Journal of Investigative Dermatology” The researchers reported that DHT-inducible DKK-1 may play a significant role in DHT-driven balding by inhibiting hair follicle cell growth and promoting apoptosis in androgenetic alopecia.
4 citations
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July 2020 in “Biochemical and Biophysical Research Communications” This study suggests that EDA-A2 induces apoptosis in hair follicles by increasing DKK-1 expression, implicating EDA2R signaling as a potential therapeutic target for androgenetic alopecia.