Shark blades.Which razor blades to try from there?

I just got into wet shaving, and I'm sticking with a Parker 89R Safety razor because shavettes ended up cutting up my face quite a lot...

I currently got the Shark blades because they were very cheap and sharp.



WHich blades would be a good upgrade? SHould I try Bic or Merkur?



I heard the Feather/Kai ones should only be used by people who have the experience