Popsugar Beauty Holiday Beauty Sideswept Waves: How-To How to Create Old-Hollywood Glam Waves December 23, 2014 by Kaitlyn Dreyling View On One Page Photo 3 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Use a round brush to straighten your strands. "The tension of the round brush will smooth out even curly hair types," Pipino says. Previous Next Start Slideshow Holiday BeautyHair TutorialsEditor's PickHairWavy Hair