Hair color 1
Applying small amount of product on the skin to check for sensitivity/allergies
Predisposition test
Name the primary colors
Yellow, Red, Blue
Visible line between two hair color
line of demarcation
Mixing a primary color with a secondary color
Teritary Color
removing natural/artificial hair color
decolorization
Gradual decline in melanin
Canities (gray hair)
purple, orange, and green
secondary colors
Lifting & Depositing in 2 separate applications
Double process
determine if the hair color is absorbing/processing evenly
Processing strand test (periodic strand test)
temporary hair color, No chemical mixing/reaction
non-oxidative haircolor
Application used to take hair back to it's original color
Tint back
Melanin is found primarily here. Middle layer
cortex
The free-form technique of hair painting
Baliage
Produces yellow to red pigments
this color neutralizes orange
blue
This color neutralizes yellow
violet
Produces brown to black pigment in the hair
Eumelanin
rapid oxidation of a substance, accompanied by the production of heat and light
combustion
Ranges from 0-6.9 on the pH scale
Acid
Ranges from 7.1-14 on pH scale
Alkaline
deposits and/or lighten the natural pigments in the cortex
Permanent Haircolor
simplest form of matter, cannot be broken down
element
inner most layer of the hair
medulla
gradual dye, contains metals that build up after continuous use. Should not be used with professional chemicals
metallic dye
semi-permanent/demi permanent haircolor used on pre-lightened hair to neutralize unwanted pigment
toner