Generally fall into the yellow, orange, & red half of the color wheel (like a sunset.)
Define Cool Colors (Tones):
Generally fall into the blue, greens, & violet half of the color wheel (like a mountain lake.)
What is a complementary color?
colors found opposite one another on the color wheel.
What happens in hair coloring is you mix complementary colors?
They neutralize/cancel eachother out to neutralize unwanted tones.
Every color has a degree of lightness or darkness, which is often described as _(a)_.
What is intensity of a color?
A term used to describe & identify a hair color, refers to the brightness/vividness of a color/strength of a tone.
What occurs when the melanocyte cells slow down in their production of melanin?
Each hair strand gradually loses its color, resulting in grey/white hair.
Whay is it important to determine the percentage of grey your client has prior to a color?
You may need to use different color formulas to accomidate the different percentages of grey.
List the General Categories of hair color products.
1- Nonoxidative Colors
2- Oxidative Colors
5- Vegetable, Metallic, & Compound Dyes
List the longevity of the color:
a) Temporary: From wash to wash
b) Semi-Permanent: Lasts through several shampoo's
c) Demi-Permanent: 4-6 weeks
d) Permanent: They remain in the hair untile it is removed chemically, grows out, or is cut off.
Are light pastel colors used to tine pre-lightened hair (used to neutralize unwanted pigment lieft in the hair after pre-lightening)
Define a Filler:
They provide an even base color by filling in porous, damaged, or abused areas with minerals such as protien or ploymers.
List the 10 stages of Decolorizing/Lightening:
2- Dark Red-Brown
7- Yellow-Orange (Gold)
9- Pale Yellow
10- Palest Yellow
List the 2 types of Ligheners available:
What is Deleoper?
Oxidizing agents used with Demi-Permanent & Permanent colors, Ligheners, & Toners (most commonly H2O2)
List 2 other names the refer to Developers:
_(a)_ _(a)_ is the most commonly used developer (oxidizing agent) in hair coloring products. Its pH is between _(b)_ & _(b)_. It needs to be mixed with _(c)_ or other alkaline compouds to become active.
a) Hydrogen Poroxide (H2O2)
What is a predisposition test & when should it be done?
(Skin Patch Test) A test to determine if client is sensitive/allergic to certain chemicals in color products.
Some Malpractice Policies require you to have your client sign a...