Can i use latisse (bimatoprost) to fill in my eyebrows?

Use minoxidil : Use Minoxidil (otc) instead. It's much cheaper.

Yes: Yes, you can. And it's pretty effective. Another alternative is rogaine but i don't think rogaine is as effective as latisse (bimatoprost).

Yes: Latisse (bimatoprost) is a prescription serum that is effective in lengthening, thickening, and darkening the eyelashes. It is the best proven way to get longer eyelashes. It also works on brows.