Don’t you know tho? The Dark Gift comes with a free perm….

… there’s also the humidity to consider, NOLA is a pretty humid place, other VC locations might also be humid.
I just skimmed TVL, and yes, it looks like there’s a lot of curly-hair references, but having read the entire series, what sticks out more for me are the “round little arms” on the women and children, like, WHAT OTHER SHAPE would they be? “square little arms” “trapezoid little arms”…?