Wax.
Hmmm I wonder what the wax does, seems kinda bullshit fuck that shit. Ooh look at that item at the end of the hallway, surely I can get it without any issue.
YOU DIED
Suddenly those weirdos with wax on their heads don't look so stupid, huh?
It's basically putting tinfoil over your head so that the "monsters hiding in books" don't get you.
Bloodborne Hannibal: "You gotta eat the 1/3 umbilical cord."
I sprinkle my pickle juice on it.