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Law of colour
Types of Hair colour
?
Developers
Corrective Colour
100
Red, yellow, blue
What are primary colours?
100
Lasts one wash
What is temporary colour?
100
Measures the lightness and darkness of hair
What is the level system?
100
Strength is measured by 'volume'
What is peroxide?
100
Necessary when your client has coloured hair and would like to go lighter
What is a double process application?
200
Created by mixing equal parts of two primary colours
What are secondary colours?
200
Coats the hair shaft
What is temporary colour?
200
Used to dissolve natural and artificial pigment
What are lighteners?
200
Used when staying the same level or going darker
What 10 volume?
200
A process to prepare very resistant hair prior to a hair colour service
What is presoftening?
300
The only cool primary colour
What is blue?
300
Lasts four to six weeks
What is semi-permanent colour?
300
Yellow, orange, red
What are warm colours?
300
Used when lifting one or two levels
What is 20 volume?
300
Must be added when formulating colour for unpigmented hair
What is 1/2 the natural shade?
400
Makes colours appear lighter and warmer when added to a colour formulation.
What is yellow?
400
Deposits only (Does not lift)
What is demi-permanent colour?
400
Blue, green, violet
What are cool colours?
400
Used when lifting 3 levels
What is 30 volume?
400
A type of filler used on very dry, porous hair
What is a conditioner filler?
500
Located across the colour wheel from each other, they neutralize.
What are complementary colours?
500
Colour molecules start out small and grow bigger becoming trapped in the hair shaft.
What is Permanent colour?
500
An allergy test
What is a predisposition or 'patch' test?
500
Used when lifting four levels
What is 40 volume?
500
The type of filler that is used on pre-lightened hair when returning to a darker shade (tint-back)
What is a colour filler?