July 2023 in “Biomolecules” The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
September 1997 in “Clinical and Experimental Dermatology” 
March 2026 in “Nutrients” Vitamin D is needed for metformin to lower prolactin effectively.
47 citations
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September 2002 in “Journal of Bone and Mineral Research” A mutation in the vitamin D receptor causes severe resistance to vitamin D, affecting bone health but not hair growth.
96 citations
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August 1995 in “Bone” Vitamin D3 is important for bone health and may help treat various diseases beyond bone-related conditions.
December 2024 in “Food Bioscience” Limosilactobacillus fermentum MF10 helps hair grow by activating certain cell signals in mice.
19 citations
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February 2001 in “Journal of paediatrics and child health” A new mutation in the mitochondrial DNA was found in a boy with MELAS, even though his family didn't show typical signs.
May 2020 in “Current developments in nutrition” Vitamin A affects the resting phase of hair growth, with both low and high levels increasing the number of hair follicles in this phase.
Bubble microneedles effectively deliver drugs through skin and mouth, improving hair growth and lowering glucose.
77 citations
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January 1980 in “Carcinogenesis” TPA is about 50 times more effective at promoting tumors than MZ.