Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.
3 citations
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November 2023 in “Frontiers in cell and developmental biology” Melanocytes are important for skin and hair color and protect the skin from UV damage.
260 citations
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January 2020 in “Nature” Stress can cause hair to turn gray by depleting stem cells.
4 citations
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August 2021 in “Frontiers in Cell and Developmental Biology” Stress can cause hair loss by affecting nerve-related hair growth, and noradrenaline might help prevent this.
March 2025 in “Molecular Medicine” Cholesterol helps hair grow by activating nerves and boosting hair follicle stem cells.