![How long would I expect grey hair dye to last for? I've washed it twice in 2 weeks and it's now an ashy blond. I've used fanola purple shampoo. Really gutted considering How long would I expect grey hair dye to last for? I've washed it twice in 2 weeks and it's now an ashy blond. I've used fanola purple shampoo. Really gutted considering](https://preview.redd.it/pvvcmdvlum361.jpg?auto=webp&s=c8987c4f087a54adf7c0a4108c0938f99f72ad91)
How long would I expect grey hair dye to last for? I've washed it twice in 2 weeks and it's now an ashy blond. I've used fanola purple shampoo. Really gutted considering
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