October 2022 in “International Journal of Molecular Sciences” Fish collagen peptides can significantly promote hair growth.
70 citations
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December 2004 in “Proceedings of the National Academy of Sciences” BMP signaling affects hair color by interacting with the MC-1R pathway.
72 citations
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November 2017 in “Journal of developmental biology” The Hedgehog signaling pathway is important for skin and hair growth and can lead to cancer if it doesn't work right.
April 2017 in “Journal of Investigative Dermatology” The BMP/Smads pathway and Id2 gene control hair follicle stem cells, affecting their rest and growth phases.
Certain natural products may help stimulate hair growth by affecting stem cell activity in the scalp.