Add more volume to the crown by lightly teasing it, and set the curls with some strong hold hairspray. To style, I recommend starting off with a heat protectant on damp hair. When you layer your hair, it makes your straight style a lot more dramatic. Sexy long layered haircuts on a shine serum to finish the look. If you have straight or loose wavy hair, try a U-shaped cut that allows your layers to fall perfectly.