What it is: A lightweight, heat-activated styling balm. What it does:This balm helps deliver straight smooth, healthy-looking styles with movement. Its non-greasy, lightweight formula tames flyaways and frizz, protecting hair from heat-styling and humidity. It"s the ideal styling agent for curly, thick, course, unmanageable hair. What it is formulated WITHOUT:- Parabens- Sulfates What else you need to know:The Bumble and bumble Straight Line with breakthrough Concen-straight Technology(TM) was developed to help maintain hair"s natural integrity, allowing hairdressers (and clients) to customize straightness, increase manageability, and reduce frizz. All products are free of formaldehyde, cysteine, and lye.