the.com/straightening
The triumphant moment a curve, a posture, or a story finally stops misbehaving.
means The act of making something straight, level, or orderly — physically or figuratively.
from From Old English streccan, to stretch, via straight meaning taut or direct — the past sense of a line pulled true.
Hair physicsHeat breaks hydrogen bonds that hold curls in place.
Crooked twistStraight and straightening share no root with strait.
Figurative useStraightening up a room or a life predates the salon.