Red is a tricky color, it has its own life and does its own thing. It is actually difficult to get out in any other way than to allow it to do what it does and fade. Luckily red tones are the best and notorious for fast fades so that’s a good thing. All you really have to do is get something that is dark enough to saturate it once it fades out a bid and dulls down.
Watch the words that you see on the box. One good thing about using a brown tone over a red one is that is THE ONLY time that you can use an ash tone and not turn green because red cancells out the tendency in ash tones to turn normal hair greenish.
So you can pretty much use anything in the brown spectrum you like and it shouldn’t hurt as long as you stay away from anything that says “Golden” “Auburn” Copper, maroon, anything with the word “Nut” like chestnut or the like… These all have red tones to them so you want to stay away because it will adhere to the red already present and make it worse.
Go with deep, go with “dark,” go with “chocolate”, brown, I love chocolate tones… they are my favorite. Even if you have a little red left, your only other alternative is to use a product called “Red-Out” which is evasive and it strips the red out and leaves the shaft open and porus to suck up whatever else you put in, but again it is a STRIPPING agent. Anything that ever removes color with damage it automatically.
Good luck!
A beautiful color that I love is by John Frieda It is Dark Chocolate Brown # 4BG But that might be a bit too light for you and possibly even has too much red in the highlight component of the color
Go a but more matte, a bit darker than that by example and you’ll be fine. Remember too though, anything darker than dark brown, will look black, and anything black will be REALLY BLACK!