Lanza Strait Line includes a shampoo, conditioner, Smoother Straightening Balm, and Thermal Defense formula that are specifically designed to temporarily relax curly and frizzy hair. L'anza Strait-Line contains four temporary curl-relaxing formulas specifically designed to smooth curls, tame frizz, and control waves for exceptional salon-straight styles. Each humidity resistant product is uniquely formulated with healing actives to instantly transform rough, dry , frizzy hair into smooth, shiny, silky hair. Advanced ingredients preserve haircolor and protect hair against heat during thermal styling. The result is healthy, vibrant-lookign hair that glows with a healthy shine.