When it comes to the New York Fashion Week hair scene, you never know what to expect. Designers work with hairstylists to capture the theme of their collection, and while most look to the hair as an enhancement of the clothes, Christian Cowan turns to Bumble and bumble Global Artistic Director Laurent Philippon for some honest creativity—and for his FW18 collection, that’s exactly what he got.

Lead stylist Laurent created long rope braids completed with a funky tassel-like extension knotted at the base of the pony. The end style shies away from a typical everyday look and…