Administration of capsaicin and isoflavone promotes hair growth by increasing insulin-like growth factor-I production in mice and in humans with alopecia.
Growth Horm IGF Res. 2007 Oct;17(5):408-15. doi: 10.1016/j.ghir.2007.04.009. Epub 2007 Jun 13.
Growth Horm IGF Res. 2007.
PMID: 17569567