This light yet thorough conditioner helps manage unruly types, calm curls and quiet frizz for smoother, silkier texture straight out of the shower. It adds shine and encourages body and movement. With Concen-straight TechnologyTM for lasting smoothness. Frizz and flyaway reduction; smoothing and softening; detangling; Color safe. For the curly, thick, coarse, frizzy, unmanageable, unruly (or any combination thereof) Usage:: After cleansing with Straight Shampoo, smooth evenly through hair and let sit a minute or two. Rinse. Follow with Straight Blow Dry for smooth heat-styling. The Bumble and bumble Straight Line with Concen-straight TechnologyTM (patent pending), developed to help maintain hairs natural integrity, is a breakthrough in gentle, non-damaging, customizable hair straightening. Formaldehyde free. Cysteine free. Lye free. This breakthrough technology was developed to let hairdressers (and clients) customize their straightness, increase manageability and reduce frizz.