what colour will my hair be?

[Donge13]

If I attempt to strip 20 years of dark brown hair dye of what must be by now natural grey hair underneath. Does anyone have a rough guess at what colour my hair would end up??

If you haven't used bleach it will be whatever it was underneath when you tinted it. Sometimes though bits of hair get over processed if you constantly tint so you might have patches or sections that come out slightly different.