56 citations,
April 2007 in “Journal der Deutschen Dermatologischen Gesellschaft” Minoxidil works better for female hair loss than alfatradiol, both safe.
11 citations,
July 2017 in “Expert Opinion on Investigational Drugs” New hair loss treatments may include topical medications, injections, and improved transplant methods.
26 citations,
February 2009 in “Drug Development Research” 17α-estradiol is a safe estrogen that might protect the brain and doesn't cause feminization, needing more research for treating brain diseases.