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ONC Artofcolor Professional Blue Concentrate - 60 ml (2.02 fl. oz) with Argan oil and certified organic ingredients. Blue Mix is a special formula to work with ONC NATURALCOLORS to neutralize unwanted copper tones.
How to use
All you do is add Blue Mix to the color mixture. Then you apply the color as per ONC NATURALCOLORS instructions in the box. Add 3 drops or one tablespoon to the color mixture. Use the mixture immediately.
Store at room temperature 50° F - 80° F.