List Of Loreal Hair Color Advice Ideas. Developed by french hair colorists, balayage, a highlighting technique, has been around since the 1970s but. How do you know what hair colour will suit you?

1 is black, 5 is light brown, 6 is dark blonde, 7 is blonde and 10 is the lightest blonde. So if we’re going for an ash blonde colour, for example, we’d probably start with a 6. How do you know what hair colour will suit you?