Applying thyroid hormones to the scalp can help hair grow.
49 citations,
March 2014 in “Journal of Investigative Dermatology” Using the drugs AMD3100 and Tacrolimus together greatly improves skin healing and hair growth after a deep skin cut by increasing stem cells in the wound.
41 citations,
July 2016 in “Radiation Research” Radiation damages salivary glands by harming blood vessels, but antioxidants might help protect them.
26 citations,
December 2017 in “Journal of Investigative Dermatology” Disrupting Notch signaling in blood vessels increases scarring during wound healing in mice.
Non-immune dermal cells dominate, epidermal cells increase after day 9, and certain immune cells persist beyond inflammation in wound-induced hair follicle regeneration.