Luster’s PCJ Smooth Roots is the only children's new growth relaxer kit. PCJ Smooth Roots is compatible with any relaxer used in the past. Luster’s PCJ Smooth Roots is designed to save mom’s money and touch-up her little girl’s new growth. When her new growth gets ½ to ¾ inch long, its time for a touch-up. Look and feel beautiful with the NEW Smooth Roots Relaxer! It’s NEW & IMPROVED with shea butter and sunflower oil, leaving hair shiny, soft and moisturized. Our relaxer also helps boost self-confidence and pride for an overall beautiful appearance head-to-toe.