Recently coloured someones hair for the first time as she was from another salon she brought her usual colour with her 8.33 majirel but asked to go the shade darker so i used 7.33 but for some reason it went very dark and now i am in the process of lifting it. trying not to put bleach on it as shes a pensioner i used 12.0 just to try and lift it which it has but its still not light enough any suggestions as she wants to get back to her 8.33. she thinks its too dark still but i think if i put the 8.33 on now it will go dark to her!!