Hair loss - anything to reverse it or prevent it? Is hair transplantation an option?

How about those caps with lights in them?

Finasteride is proven to work in the majority of men who take it. You don’t even need to take the full dose. Studies show it’s effective at lower doses, and if you do get side effects you can always stop. You need to address the root cause which is androgens on the scalp. Don’t let anyone tell you you just have to shave it, unless of course you want to.