chapter 21

2. the strength of a color
5. color obtained by mixing equal parts of two primary colors
7. part of the hair shaft between the scalp and the hair that has been previously colored
9. system for understanding color relationships
12. visible line separating colored hair from new growth
13. also know as hue; the balance of color
14. used to equalize porosity
17. measures the concentration and strength of hydrogen peroxide
18. the unit of measurement used to identify the lightness or darkness of a color
20. Any technique that involves partial lighting or coloring

1. first time the hair is colored
3. Predominant tone of a color
4. the natural color of hair
6. lighteners that can be used directly on the scalp by mixing the Lightner with activators
8. known as hue; the balance of color
10. also known as quick lighteners, powdered lighteners that cannot be used directly on the scalp
11. process that lightens and deposits color in the hair in a single application
15. combination of natural hair color that contains both pheomelanin and eumelanin
16. system that colorist use to determine the lightness or darkness of a haircolor
19. a non-ammonia color that adds shine ad tone to the hair