What is a 'single process color'?

What is a 'single process color'?

Nancy Braun (Master Colorist) gives expert video advice on: What are highlights?; What is 'balayage'?; How often should I highlight my hair? and more...

A Single Process Color is when you apply color and it can be a demy permanent or permanent or semi permanent color. in order to make a change to the hair, so your either looking to do one of three things. your looking to lighten the hair. Your looking to darken it or, perhaps cover gray or change the tone. so when your doing this Single Process Color you are altering and changing the over all shade of your hair .