Whether you’ve been rocking a pixie cut for years or you’ve just trimmed your tresses into a stylish crop or bob, short hair can flatter all face shapes and shed years from your overall appearance.

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, this ...