This fluffy butterfly cut — with wispy face-framing layers — is a great example of how this cut can be styled on medium-length hair. Loose waves like Hailee Steinfeld's show off her layers.

We turned to the hair experts to tell us everything they know. A new bob on the horizon finds the ever-evolving cut transform into its best shape yet: the butterfly ... to-tip length at their ...

Much like the butterfly cut, concave layers frame the face and draw attention to it. But instead of the choppy vibe, the sleekness of this cut is what makes it stand out. If you like your hair ...