What's the difference between 'semi-permanent' and 'demi-permanent' hair color?

What's the difference between 'semi-permanent' and 'demi-permanent' hair 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...

Semi-permanent color is a type of hair color that is really designed to last about six shampoos. But in our day and time, we use a term called demi-permanent hair color, and demi-permanent is designed to last anywhere between six and eight weeks, depending on the brand of hair color and how it was used.