Is micro needling at .25 useless compared to other depths?

I see a variety of posts saying that one should microneedle at various frequencies and depths. Is there no general consensus as to how often and what range one should use on their scalp? I have a .25 derma pen, but am unsure what I should be doing to maximize my results. My hair is mostly intact except for some light recession in the temple region for reference. I currently use topical minoxidil and .1 tret.

you cannot stop hair loss with minoxidil alone typically you need dht blockers too. micro needling is not something i really recommend as it may ruin a future hair transplant. treitonin increases minoxidil’s efficiency, so keep (if no side effects etc. are found) doing that.