Haircolor Basics
What are the four types of haircolor
Temporary, Semi Permanent, Demi Permanent, Permanent
What are the three primary colors?
red, yellow, blue
What is the developer used in most permanent haircolor?
hydrogen peroxide
What is hair porosity?
Hair's ability to asorb moisture
What is a patch test used for?
To test a allergic reaction to haircolor
What is the natural pigment found in hair?
Melanin
What color neutralizes orange haircolor?
blue
What does ammonia do in a haircolor formula?
opens the cuticle and allows it to penetrate
Why is a strand test important before coloring?
To preview the color result and check for damage
How long before a color service must a patch test be given?
24-48 hours
What is the term for the lightness or darkness of hair?
Level
Why is the colorwheel important in haircoloring?
helps with formulation and color colorection.
What volume is typically used for gray hair coverage?
20 vol
What are the three things you must analyze before formulating haircolor?
natural level, desired level, underlying pigment
What might happen if a patch test is skipped?
Client could have a severe allergic reaction