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Haircoloring CH. 21

Haircoloring CH. 21 flashcards

Term
The layer of the hair that gives the hair the majority of its strength and elasticity is the cortex.
In individual hair strands, hair texture is determined by the diameter.
If the cuticle is lifted, allowing the hair to take color quickly, the hair is said to have high porosity.
Hair color levels are arranged on a scale from 1 to 10.
Hair color tones can be described as warm, cool, or neutral.
Warm tones that are described as sandy or tan are considered natural.
Natural color will help balance orange tones in the hair.
Pure or fundamental colors that cannot be created by combining other colors are called primary colors.
The strongest and only primary color is blue.
Red added to blue-based colors will cause them to appear lighter.
A tertiary color is achieved by mixing a secondary color and its neighboring primary color.
In traditional color theory, when all three primary colors are present in equal proportions, the resulting color is black or dark muddy gray depending on the saturation of the pigment.
A primary and secondary color positioned directly opposite each other on the color wheel are considered complementary colors.
Temporary haircolor pigment molecules do not penetrate the cuticle layer because they have large pigment.
Traditional semipermanent haircolor only lasts four to six weeks depending on how frequently the hair is shampooed.
Demipermanent haircolor is formulated to deposit but not lighten color.
Permanent haircolor lightens and deposits color at the same time and in a single process because it is more alkaline than demipermanent colors and is usually mixed with a higher-volume developer.
To provide maximum lift in a one-step color service, 40-volume peroxide is recommended.
During the decolorizing process, natural hair can go through as many as ten stages.
Overlapping color can cause breakage and create a line of demarcation.
The three forms of hair lighteners are oil, powder, and cream.
In weaving, selected strands are picked up from a narrow section of hair with a zigzag motion of the comb, and lightener or color is applied only to these strands.
For clients with 80 to 100 percent gray, a blond shade haircolor is generally more flattering.
To cover unpigmented hair on a salt-and-pepper head, the color formulation should be one to two levels lighter than the natural level.
The process of treating grey or very resistant hair to allow for better penetration of color is known as pre-softening.
When preforming a lightener retouch, new growth is lightened first.
To produce a haircolor that looks natural, three primary colors must be present.
The best way to obtain pale blond results is to use double-process blodning.
When hair is violet, it is recommended that you use yellow to balance it.
when hair is blue, it is recommended that you use orange to balance it. Selecting warm base colors creates brighter colors.
Demipermanent haircolor deposits but does not lift color.
During a haircolor consultation, you should look at the client directly.
Traditional semipermanent, demipermanent, and permanent haircolor products that are used primarily on pre-lightened hair to achieve pale and delicate colors are toners.
When preforming a patch test, the same color that will be used for the haircolor service, should be used.
Hair that has previously received a color service will have a greater degree of porosity.
Underlightened hair will appear to have more red, yellow, or orange than the intended color.
The term tone, or hue, refers to the balance of color.
Double-process application is a coloring technique that requires two separate procedures in which the hair is pre-lightened before the depositing color is applied.
The melanin that gives blond and red colors to hair is called phenomelanin.
The powdered persulfate salts added to the haircolor to increase its lightening ability are called activators.
The technique called a soap cap refers to a combination of equal parts of a prepared permanent color mixture and shampoo used during the last five minutes of a haircolor service and worked through the hair to refresh the ends.
Contributing pigment refers to varying degrees of warmth exposed during a permanent color or lightening process.
Reverse highlighting is a technique of coloring strands of hair darker than the natural color.
Level is a unit of measurement used to identify the lightness or darkness of a color.
Predisposition test, also known as a patch test, identifies a possible allergy in a client.
lightener is a chemical compound that lightens hair by dispersing, dissolving, and decolorizing the natural hair pigment.
Volume measures the concentration and strength of hydrogen peroxide.
Colors obtained from the leaves or bark of plants are called natural haircolors.
A glaze is non-ammonia color that adds shine and tone to the hair.
The term resistant means it is difficult for moisture or chemicals to penetrate the hair.
Conditioner filler is used to recondition damaged, overly porous hair and equalize porosity so that the hair accepts the color evenly from strand to strand and from scalp to ends.
Hydrogen peroxide developer is an oxidizing agent that, when mixed with an oxidation haircolor, supplies the necessary oxygen gas to develop the color molecules and create a change in natural hair color.
A color filler is used to equalize porosity and deposit color in one application to provide a uniform contributing pigment on pre-lightened hair.
Slicing is the process that involves taking a narrow, 1/8th inch (0.3 centimeter) section of hair by making a stright part at the scalp, positioning the hair over the foil, and applying lightening or color.
The system for understanding color relationships is called the law of color.
The term virgin application refers to the first time the hair is colored.
Eumelanin lends black and brown colors to hair.
A quick lightener, also known as an off-the-scalp lightener, is a powdered lightener.
Haircolors containing metal salts that change hair color gradually by progressive buildup and exposure to hair, creating a dull, metallic appearance, are called progressive haircolors.
A strand test is a test preformed to determine how the hair will react to the color formula and how long the formula should be left on the hair.
When identifying natural levels for a haircolor service, your most valuable tool is the color wheel.
The medium primary color is red.
Semipermanent haircolor adds subtle color results.
To raise the cuticle of the hair is a role of the alkalizing ingredient in permanent haircolor.
Henna is an example of natural haircolor.
20-volune is the standard hydrogen peroxide volume.
A release statement is NOT considered to be a legally binding contract.
Semipermanent colors deposit color.
The technique that involves pulling clean, dry strands of hair through a perforated cap with a thin plastic or metal hook is called cap technique.
A non-oxidative toner contains no ammonia, requires no developer, and is gentle on the scalp and hair.
Colors prepared by combing permanent haircolor, hydrogen peroxide, and shampoo are called highlighting shampoos.
Coating compounds such as hair sprays, styling agents, and some conditioners can interfere with color penetration.
A daily shampoo and blow-dry, and occasional permanent wave, or a few days in the pool can cause the artificial pigment in red hair to oxidize and fade.
A creamy consistency provides the best control during the application of lightener as part of a double-process haircoloring service.
Selecting warm base colors creates brighter colors.
Created by: Kiwis
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