I'm debating on starting rogaine, but i want to know how bad the shed will be before I use it on my entire head. Is it possible to use it on a test area for my chronic telogen effluvium? I'm a male and just turned 22 yesterday. I know it's rare but i have been diagnosed with CTE by multiple dermatologists. It's been happening for almost 2 years and i'm hoping to find a way to stimulate some growth and grow hair back until I can remove the trigger