Types of Haircolor
Hair coloring products fall into how many categories?
4
What is a test performed to see how hair reacts to a color formula?
STRAND TEST
Traditional semi-permanent colors last how long?
4-6 WEEKS OR DEPENDING ON HOW FREQUENTLY YOU SHAMPOO THE HAIR.
To ensure successful results, a colorist must follow a?
PRESCRIBED PROCEDURE
Layer of the hair that contains melanin.
Cortex
Hair coloring products fall into how many categories?
temporary
A predisposition test is conducted behind the ear or where?
INSIDE THE ELBOW
Demi-permanent colors are formulated to last how long?
4-6 WEEKS
Name two safety precautions in hair coloring.
PERFORM PATCH TEST,DO NOT APPLY TO ABRASIONS, WEAR GLOVES, PROPER DRAPING
Hair's ability to absorb moisture.
porosity
Demipermanent colors are also known as?
deposit only
All semi-permanent colors require shampooing before applying the color.
FALSE
The pigment molecules are ______enough to partially penetrate the hair shaft and stain the cuticle.
SMALL
What is the pH of temporary colors—alkaline or acidic?
ACIDIC
_____ is the unit of measurment used to identify the lightness and darkness of a color.
level
Semi-permanent colors are ____ colors.
non-oxidative
Always make sure your patch test is_____ before proceeding with the color service.
NEGATIVE
The best hair coloring products for covering gray hair are?
PERMANENT
All hair coloring products require a patch test except for?
TEMPORARY
Also known as undertone
contributing pigment
Demi-permanent colors cannot lighten natural hair color.
true
Never apply hair color if the scalp has signs of what?
ABRASIONS
Temporary colors come in various forms. Name four.
SPRAY, MOUSSE, GEL, CHALK,LIQUID RINSE
What happens if a client has an allergic reaction to a patch test?
DO NOT PROCEDE WITH THE SERVICE.
a system used for understanding color relationships
Law of Color