Reddish Brown 8OR will result in a reddish violet shade on gray hair. To make this shade look more natural please mix it with EcoColors Golden Blonde. Reddish Brown is a copper brown, and looks great when you mix it with Golden Blonde 8G. This combination on gray hair gives an auburn tone. You can also mix Reddish Brown with Dark Brown to give it a deeper look.
Always mix equal parts color and developer. Once you mix color and developer, you must use IMMEDIATELY. You cannot save color once you mix it with developer.
ALWAYS do a strand test and an allergy test according to the kit directions before applying any new color to your entire head. You could still have an allergy to one of the other oxidative dyes present or another ingredient.
Always have a medical plan in place with your physician prior to application in case an allergic response develops over time.