Answer: uncurls

AnswerCrossword Clue
UNCURLSStraightens, as hair
UNCURLSStraightens out
UNCURLSStraightens, as locks
UNCURLSStraightens, in a way
UNCURLSFixes locks, in a way
uncurlsUNCURL, to straighten the curls of
uncurlsStraighten or cause to straighten from a curled position