Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.
3 citations,
November 2023 in “Frontiers in cell and developmental biology” Melanocytes are important for skin and hair color and protect the skin from UV damage.
4 citations,
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.
April 2018 in “Journal of Investigative Dermatology” Light can activate hair growth through a pathway from the eyes to hair follicles.
77 citations,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.