Straighten and shield medium hair from heat damage while protecting and smoothing wavy textures. Features Anti-Frizz Technology to provide lasting definition and frizz control with a smooth, shiny finish. For sleek, naturally straight hair, apply Align 12 on towel-dried hair. Blow-dry hair with a paddle brush for a sleek style. Once hair is dry, spray on Iron Silk 07 for protection against thermal damage and flat iron hair section by section.