I haven't taken finasteride, but I've read a lot about it (as i'm sure we all have!) and some guys say it can take up to 6 months of finasteride to start seeing results.
I'd ask your doctor to do an overall health checkup. You could have a vitamin deficiency, or thyroid issues. I know FollicleFuel is available in NZ - and they ship for free there, mate! https://www.jupiterlabs.shop/folliclefuel/stores/
it's not terrible, but sometimes my scalp will get a little dry. When that happens, I put some rosemary oil in my hair. https://medium.com/folliclefuel/the-best-essential-oils-for-hair-a74a560fa1aa
how long have you been taking the multivitamin? good on you for doing research and working on your diet. I wouldn't turn to rogaine yet - check out the threads on effects and know what you're getting into first...
i've been looking at http://www.bebiotin.com/shop/be-biotin-35-capsules and https://www.jupiterlabs.shop/folliclefuel.php as possible supplements to try. The BE is a bit cheaper but doesn't have as many vitamins and such.
But like ripple-effect said - have to start on the inside. Though I do...
I've been seeing lots of ads online for supplements from nutrafol, folliclefuel and others. Has anyone tried any of these? I don't see a downside to taking some extra vitamins, but wondered if they're worth it.