Another full-tilt 1920s ode, Laura Harrier's gentle finger waves come with a baby kiss curl edge. Add flipped-up ends and a center part, and the style moves ever so slightly toward the present tense.

Finger waves may be a hair hallmark of the 1920s, but they’re finding fans in the 2020s, too, worn by stars like Doechii and Emma Stone. When applied at different points around the face ...