Hair Loss Treatment Type:
FK506 is an immunosuppressant, like cyclosporin, primarily used to prevent organ rejection. Like Cyclosporin, it also has hair growth effects; however, unlike cyclosporin, it is more effective topically for hair growth than orally, making it a better choice than cyclosporin. Unfortunately, like cyclosporin, it also has the potential for serve side effects and is not to be used lightly.
Some clinical studies showing it works for hair growth.
Some (FDA Approved).
Toxicity and possible neural damage when taken orally. Unknown topical effects.