LOreal Professionnel INOA Ammonia Free Hair Color 2.1oz (9.3/9G) Loreal INOA Permanent color with ODS2 technology for uncompromised comfort. Lightens up to 3 levels in 35 minutes. Covers up to 100% of white hair. 50% more shine. 6 weeks of intese hydration and nutrition. Easy to mix and apply. Leaves hair feeling intensely nourished and hydrated untill next color treatment. Hair is softer than before hair coloring process. Sublime shine. Mix 1 to 1 ratio.