THE LOOK Retro bun HOW-TO Tease the entire top of the crown. Pull hair into a low chignon by pulling hair into a medium-to-low ponytail and twisting, then roll it around itself and secure with pins. Use a round brush to twirl the face-framing pieces and spray the entire thing with hairspray. INSIDER TRICK "Invest in a good teasing brush," says stylist Eva Scrivo. "That's the best to smooth and lift."