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. Those of you with frizzy or rebellious hair are probably all too familiar with one hour blow out sessions or harmful chemical treatments used to force curls into submission. Here finally is a gentle smoothing product for controlling hair! Concen-Straight Smoothing Treatment, shampoo and conditioner, apply as needed!