WHAT IT IS Ammonia-free permanent hair color with ODS² (oil-delivery system) technology. WHAT IT DOES INOA delivers reinforced coverage of up to 100% white hair, 50% more shine*, 6 weeks of intense hydration and nutrition, optimized scalp comfort and infinite color power. Lifts up to 3 levels INOA High Resist shades feature new patented technology which will work to keep the cool tone and combat brassiness for up to 8 weeks. New cutting edge technology creates a stronger connection for neutralizing blondes** *When used with 20 volume, versus before coloring. **Compared to existing INOA shades WHAT ELSE YOU NEED TO KNOW INOA should be used exclusively with INOA ODS² 10-volume, 20-volume or 30-volume Rich Developer The mixing ratio is 1:1 Development time: 35 minutes