Straight styles start here. What: This sulfate-free cleanser starts hair smooth, reduces frizz and makes hair more manageable straight out of the shower. Who: The curly, thick, coarse, frizzy, unmanageable, unruly (or any combination thereof). When: Whenever you wash, followed by Straight Conditioner. How: Wet hair, lather well and rinse thoroughly. Follow with Straight Conditioner.