Schwarzkopf Professional IGORA Bond Sealer Post-color treatment with optimized pH level helps to lock in color pigments preventing color from fading and helping to stop the oxidative process. The Fibre3+ Technology neutralizes the hair while smoothing the hair fiber after each color service. Key benefits Locks in color pigments to prevent color fading Helps to stop the oxidative process The Fibre3+ Technology neutralizes the hair while smoothing the hair fiber Allows a brilliant color result from roots to ends in 30+ seconds Technology The Fibre3+ Technology neutralizes and smooths the hair fiber after each color service.