Salon Professional hair care productn100% GenuinenLoreal Inoa ODS Technology Rich Developer 34oz/1000ml (30 Volume 9%) Oxidant and activator for Inoa permanent color with ODS technology. Easy to mix and apply. Leaves hair with sublime shine feeling intensely nourished and hydrated until next color treatment. Inoa makes hair softer than before coloring process. Mix 1 to 1 ratio. Loreal Inoa is a great color to use if you have allergic reaction to other colors. These bottles are imported from Europe and display in European packaging system. They contain the same developer as US counterpart. These products are produced by the same manufacturer and brand. New Trend Beauty supplies salons across the country and no differance in color, consistensy, or feeling on scalp has been noticed by professionals or customers.