This Seeking Tech tutorial will explain how you can efficiently kill Blister Heads as Grace in Resident Evil Requiem. These enemies move erratically and are normally bullet sponges.
To get rid of them quickly, make sure you have a Hemolytic Injector. When you encounter these enemies, you can then try to aim for one of their legs to stun them. You should then see a prompt to use the injector to quickly dispose of it. Check out the video below to see how to accomplish this: