thats exactly what i did, and she said it would be perfectly fine but not forgetting her toning them way before installation, ive been to a hair specialist and she said noway could the conditioner based hair colour ruin it as its just veg oils? ....
Directions isn't just veg oils, have a look at the ingredients list - list of sulphates and alcohol in them. Obviously no where near as damaging as they are temporary colours, but still contain chemicals