Designer Touch Sensitive Scalp Formula No Lye Relaxer System. Designer Touch is the brand preferred by Salon Stylist. Our sensitive scalp formula offers smooth straight results with our multi-condition no-lye system. The system contains post perm treatment which is used directly after relaxer is rinsed from the hair. It penetrates the hair shaft to immediately repair any damage resulting from chemical processing, evens porosity, stabilizes the pH level, increase tensile strength, and adds sheen. Directions For best results follow the timing guide.