Contain small, uncolored dyes that combine with hydrogen peroxide to form larger, permanent dye molecules within the cortex.
Lightening technique that involves pulling clean dry strands of hair through a perforated cap with a thin plastic or metal hook, and then combing them to remove tangles.
Equalize porosity and deposit color in one application to provide a uniform contributing pigment on pre lightened hair.
A primary and secondary color positioned directly opposite each other on the color wheel.
Used to recondition damaged, overly porous hair and equalize porosity so that the hair accepts the color evenly from strand to strand and scalp to ends.
"undertone"; the varying degrees of warmth exposed during a permanent color or lightening process.
"no-lift deposit-only color"; formulated to deposit but not lift natural hair color.
"oxidizing agents"; when mixed with an oxidation hair color, supplies the necessary oxygen gas to develop color molecules and create a change in hair color.
"two-step coloring"; a coloring technique requiring two separate procedures in which the hair is pre lightened before the depositing color is applied to the hair.
Highlighting technique that involves coloring selected strands of hair by slicing or weaving out sections, placing them on foil or plastic wrap, applying lightener or permanent hair color, and then sealing them in the foil or plastic wrap.
"bleaching or decolorizing"; chemical process involving the diffusion of the natural hair color pigment or artificial hair color from the hair.
Professional, salon industry term referring to artificial hair color products and services.
Coloring some of the hair strands lighter than the natural color to add a variety of lighter shades and the illusion of depth.
Colors prepared by combining permanent hair color, hydrogen peroxide, and shampoo.
Hydrogen Peroxide Developer
Oxidizing agent that, when mixed with an oxidation hair color, supplies the necessary oxygen gas to develop the color molecules and create a change in natural hair color.
Chemical compounds that lighten hair by dispersing, dissolving, and decolorizing the natural hair pigment.
"gradual haircolors"; haircolors containing metal salts that change hair color gradually by progressive buildup and exposure to air creating a dull, metallic appearance.
"vegetable haircolors"; colors, such as henna, obtained from the leaves or bark of plants.
"quick lighteners"; powdered lighteners that cannot be used directly on the scalp.
Lighteners that can be used directly on the scalp by mixing the lightener with activators.
"predisposition test"; test required by the Federal Food, Drug, and Cosmetic Act for identifying a possible allergy in a client.
Lighten and deposit color at the same time and in a single process because they are more alkaline than no-lift deposit-only colors and are usually mixed with a higher-volume developer.
First step of double-process hair coloring, used to lift or lighten the natural pigment before the application of toner.
Process of treating gray or very resistant hair to allow for better penetration of color.
Pure or fundamental colors (red, yellow, and blue) that cannot be created by combining other colors.
Hair type that is difficult for moisture or chemicals to penetrate, and thus requires a longer processing time.
"lowlighting"; technique of coloring strands of hair darker than the natural color.
No-lift deposit-only non oxidation hair color that is not mixed with peroxide and is formulated to last through several shampoos.
Process that lightens and deposits color in the hair in a single application.
Coloring technique that involves taking a narrow, 1/8 inch section of hair by making a straight part at the scalp, positioning the hair over the foil, and applying lightener or color.
Combination of equal parts of a prepared permanent color mixture and shampoo used the last five minutes and worked through the hair to refresh the ends.
Determines how the hair will react to the color formula and how long the formula should be left on the hair.
Nonpermanent color whose large pigment molecules prevent penetration of the cuticle layer, allowing only a coating action that may be removed by shampooing.
Intermediate color achieved by mixing a secondary color and its neighboring primary color on the color wheel in equal amounts.
Semipermanent, demipermanent, and permanent haircolor products that are used primarily on pre lightened hair to achieve pale and delicate colors.
Coloring technique in which 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
If the cuticle is lifted, allowing the hair to take color quickly, the hair is said to have _______.
gray, white, or black
Depending on the level of color, equal proportions of the primary colors will produce _________.
Which type of haircolor penetrates the hair shaft and is formulated to deposit but not lift color?
Which type of haircolor lightens and deposits color at the same time and in a single process because it is more alkaline than no-lift deposit-only colors and is usually mixed with a higher-volume developer?
To provide maximum lift in a one-process color service, most high-lift colors require ________.
a blond shade
For clients with 80 to 100 percent gray, which hair color is generally most flattering?
two levels lighter than the natural level
To cover unpigmented hair in a salt-and-pepper client, the color formulation should be ______.
the same color that will be used for the hair color service
When performing a patch test, which color should you use?
yellow or orange
Under-lightened hair is likely to appear to have more _____ than the intended color.
What is a coloring technique that requires two separate procedures in which the hair is pre lightened before the depositing color is applied?
A _______ is a chemical compound that lightens hair by dispersing, dissolving, and decolorizing the natural hair pigment.
What is used to recondition damaged overly porous hair and equalize porosity so that the hair accepts the color evenly from strand to strand and form scalp to ends?
hydrogen peroxide developer
What is an oxidizing agent that, when mixed with an oxidation hair color, supplies the necessary oxygen gas to develop the color molecules and create a change in natural haircolor?
A _______ is used to equalize porosity and deposit color in one application to provide a uniform contributing pigment on pre lightened hair.
Hair colors containing metal salts that change hair color gradually by progressive buildup and exposure to air, creating a dull, metallic appearance, are called _______.
A _______ is a test performed 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 hair color service, your most valuable tool is the _______.
To raise the cuticle of the hair
What is a role of the alkalizing ingredient in permanent haircolor?