What is the best BLACK BLACK hair dye? I've used all those supermarket dyes, but they all come out dark brown

I am going for that rockabilly girl look, but I just can't get my hair as black as I always see on other people.What is the best BLACK BLACK hair dye? I've used all those supermarket dyes, but they all come out dark brown
If you use black hair dye, it never comes out black. Try blue, where the colour is truly too black it is blue, the blue doesn't show but the black colour of it does.What is the best BLACK BLACK hair dye? I've used all those supermarket dyes, but they all come out dark brown
ohhhhhhhhhhhhhhhhh.........
Try Manic Panic.


YOu've tried Feria? that's what I used to use and it came out that REALLY dark Black.