Before your start, always take into consideration if you want darker, lighter hair or you want to have the same colour but a different shade.
In a beauty salon it is crucial to communicate with the guests. The hair stylist must find out what colour the guest would go for, warm or rather cool.
In most cases you will achieve the desirable colour by mixing two or three colours. Different colours are required for your hair roots and for the end of your hair and also different developers should be used if you want an even colour.
You should watch out before dyeing your hair at home especially if you are planning a drastic