January 2005 in “Pharmaceutical Journal of Chinese People's Liberation Army” Ginseng extract can enhance hair growth at certain concentrations.
Spironolactone does not change hair growth.
57 citations,
February 1994 in “Experimental dermatology” Melatonin affects mouse skin and may regulate skin functions.
508 citations,
February 2007 in “Cell” Epithelial stem cells are crucial for tissue renewal and repair, and understanding them could improve treatments for damage and cancer.
130 citations,
January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.