Shampoo hair with Malibu C Un-Do-Goo pH > 9 shampoo and rinse. Work Malibu C Color Disruptor into the hair using 1/2-inch to1-inch sections. Apply a professional processing cap and expose to heat for 20-30 minutes. Remove from heat, then rinse and shampoo with Malibu C Un-Do-Goo pH > 9 shampoo. Rinse thoroughly. Follow with Malibu C CPR/DDL and follow steps per instructions on CPR/DDL sachet. Repeat if needed.