American Board Certified Haircolorist Practice Test

These questions are part of the practice quiz. Start practicing

• Which technique involves isolating blonde strands while coloring the remaining hair darker?
• What is the term for hair that has no natural pigment?
• What does the term "aqueous" refer to in haircare products?
• What is the term for applying color or lightener to new growth of hair?
• Which term is used to describe the degree of fineness or coarseness in the texture of hair?
• What technique involves adding delicate shadings to create dimension in hair color?
• What device is used to break up white light into its component colors?
• What is the term for color that dyes the fiber directly without any oxidation?
• Which type of lightener is usually stronger and should not be used directly on the scalp?
• What is the primary purpose of using urea peroxide in hair coloring?
• In the context of hair coloring, what is the purpose of a 'solution'?
• What substance is used to speed up a chemical reaction in hair coloring?
• What does the term "texture" refer to in hair?
• What is the role of a chelating stabilizer in hair color products?
• What is used as a color refresher or to replace undertones in preparation for hair color?
• What is color application predominantly aimed at achieving?
• In hair coloring, which term refers to the result of the lifting process?
• What kind of hair color is known to eco-fade over time with each wash?
• What type of dyes involve soluble metal salts like lead, silver, and bismuth producing colors on hair fibers?
• What type of product requires hydrogen peroxide to develop permanent color?
• What property of hair does the melanin content directly influence?
• Which term is used to define hair that has undergone a loss of color through environmental exposure?
• Which type of compounds do amino acids represent in the body?
• What concept describes the repeated application of hair color to the shaft?
• Which peroxide compound is known for releasing oxygen when added to an alkaline color mixture?
• Which substance is primarily used as a thickener in cream developer?
• What can strongly alkaline hair products potentially do to hair or skin?
• Which hair coloring method is described as using a corrective technique to tone down overly lightened hair?
• What is the effect of having darker hair at the scalp and lighter hair on the ends referred to as?
• Which technique is utilized to enhance the color of hair that has already been filled with highlights?
• What is the definition of a formula in the context of haircolor?
• Which layer of hair lies in between the cuticle and the medula?
• Which technique is used to create a blend of shades on the same head of hair for a multi-dimensional look?
• What is the process of treating gray or very resistant hair to allow for better color penetration called?
• Which cells in a hair bulb are responsible for manufacturing melanin?
• What occurs when color or lightener application surpasses the line of demarcation?
• Which term describes the process of making hair lighter?
• Which amino acid enzyme reacts with tyrosinase to form natural melanin in hair?
• What is meant by "color base" in hair coloring?
• What is spotlighting in the context of hair color correction?
• Which term describes hair color shades containing no red or gold, also known as dull?
• Which process would be recommended for someone who wants to improve the look of excessively lightened hair?
• What is the function of a softening agent in hair treatment?
• What term describes the traces of hydrogen peroxide that remain in the hair following bleaching or coloring?
• What is the term for applying colors to create dimension by using lighter and darker strands?
• Which rule is used to determine the level of hair color for clients with gray hair?
• What term refers to larger well-defined strands of hair that are colored differently?
• What technique requires two separate procedures involving pre-lightening the hair before color application?
• What impact do unwanted warm tones have when coloring hair?
• Which statement best describes certified color?
• What is the primary function of melanin in the hair?
• How much of an ounce is equal to 1/6 ounce?
• What term describes the obvious difference between two colors on the hair shaft?
• What term describes a color balance that does not reflect the highlight of any primary or secondary color?
• Which type of hair color is known for providing a long-lasting change and contains ammonia?
• What is the central structure of the hair shaft known as?
• What coloring method is best described as achieving color on previously colored hair to enhance its appearance?
• What unit of measurement is used to assess the lightness or darkness of a color?
• Which hair structure is the outermost layer that protects the hair?
• Which type of color involves a higher degree of lightening action with minimal color deposit?
• What is the purpose of a strand test?
• What term refers to substances that are used to color hair, whether naturally or artificially?
• What is the outer layer of the hair fiber known as?
• Which technique allows for the simultaneous lightening of isolated strands and darkening of other strands?
• What does a pH below 7 indicate about a solution?
• What term describes a specific hair color that indicates a visible difference between colors?
• What term refers to a concentrated hair color product that can intensify or tone down other haircolor?
• What type of color can be used in hair services to neutralize unwanted tones?
• What term is used to describe the thickness of a solution?
• Which term refers to the gradual increase in hair color deposits on the hair?
• What is the purpose of performing a patch test or skin test during hair coloring?
• What is the term for specialized words used within a specific field such as science or business?
• What is the concentration measurement of a hydrogen peroxide and water solution expressed in?
• What technique involves the introduction of lighter color in small sections to enhance the lightness of hair?
• What impact do primary and secondary colors have when combined?
• What is the name of the protein coating found in melanosomes?
• What does the term "color" refer to in the context of hair coloring?
• What term best describes the process in which hair is subjected to a chemical in order to change its color?
• When adding tortoise color to brown hair, what is the common term for that process?
• Which term refers to the visual depth or contrast in hair color?
• What process counteracts the action of an agent or color in hair coloring?
• What is a key benefit of using a single process color treatment?
• What term describes the use of translucent color on previously colored hair?
• What characteristic does a mild alkaline product have prior to color treatment?
• Which technique is used to change natural hair color while covering gray and adding lighter strands?
• What is the underlying color in melanin that emerges during the lifting process?
• Which part of the hair is primarily responsible for its strength and structure?
• Which term refers to the ability of hair to shine and reflect light?
• What is the process of doing a highlight in reverse by adding darker color to previously lightened hair?
• Which technique involves using darker colors at the base of hair strands and lightening towards the ends?
• What is referred to as the condition when hair splits and breaks off?
• What technique involves the subtle blending of lighter to darker colors on hair?
• Which of the following best fits the definition of a tertiary color?
• What is the characteristic of hair color referred to when it has been toned to avoid gold or red undertones?
• What is indicated by a lack of translucency and absence of shine?
• What is ammonium hydroxide primarily used for in hair care?
• Which type of color is often used after pre-lightening to adjust the tone?
• Which one of the following is not a primary color?
• Which of the following is true about the pH scale?
• What descriptive term is used for a mixture of dark and gray or white hair?
• What is the main characteristic of permanent hair color?
• What coloring technique adds dimension to a solid brown by incorporating mild contrast?
• What is the primary concern when applying hair color to avoid chemical interactions?
• What is the purpose of a stabilizer in a hair product?
• What is the result of applying color to new growth without coloring the entire hair?
• What is the best definition of caustic in relation to hair care products?
• Which colors are made by combining two primary colors in equal proportion?
• Which ingredient is commonly used in hair color activators to speed up the decolorization process?
• What is the characteristic of hair that reflects light called?
• What is an effect of ammonia in hair coloring?
• What is the slender threadlike outgrowth of the skin that covers the head and body?
• Which process is associated with enhancing the natural hair color while introducing varied tones?
• Which of the following is defined as colors that cannot be created by mixing other colors?
• What term is used to describe the lowest degree of lift in natural hair color?
• What is the purpose of applying color to the midshaft and ends of hair?
• What is the method called that enhances the natural color of hair through washing?
• What layer of hair contains melanin pigment and is a fibrous protein?
• Which of the following colors is considered secondary?
• What do you call the undesirable reddish, orange, or golden hues that may appear in hair after coloring?
• What does 'Contributing pigment' indicate in hair coloring?
• Which approach combines two methods into one process to achieve the desired hair color?
• How does a softening agent typically function in a color treatment?
• What is the process of adding varying amounts of tortoise color to a brown head of hair commonly referred to as?
• What oxidizing chemical consists of 2 parts hydrogen and 2 parts oxygen?
• What is the part of the hair contained within the follicle below the surface of the scalp?
• What chemical substance is formed in the hair fiber due to hydrogen peroxide interacting with the disulfide bond?
• What is a visual sensation caused by light commonly referred to as?
• What does the term porosity refer to in hair?
• What type of coloring system results in gradual color development with each use?
• What is the visible part of each strand of hair composed of multiple layers?
• What is the effect of using a temporary hair color?
• What does it mean for hair to be porous?
• What is required for a permanent oxidizing hair color to work effectively?
• How many different amino acids are found in living proteins?
• Which coloring technique involves the application of a mixture of colors woven through the hair?
• Which technique is used to create a halo effect around the face by lightening only the hair in that area?
• What does 'Coverage' refer to in hair coloring?
• What is the potential consequence of failing to treat brassy tones in hair?
• What is the result of a higher viscosity in a hair color solution?
• What process involves removing product from the hair strand to monitor color development?
• What does the term spectrum refer to in hair coloring?
• Which tone is characterized by dominance of greens, blues, violet, or grays?
• What is the primary ingredient in most permanent hair color that can cause allergic reactions?
• What are the tiny grades of pigment surrounded by melasomes in the hair's cortex that create natural hair color?
• What is a material that develops color only after reacting with hydrogen peroxide?
• What is a solution in the context of haircoloring?
• What type of melanin is responsible for producing black and brown hair colors?
• Which term denotes the technique of applying color away from the scalp?
• Which method involves applying darker color at the roots and staggering it towards the ends?
• What term describes the process of allowing diffuse light to pass through?
• What is the purpose of pre-lightening in hair coloring?
• What blending technique creates a gradient effect from light to dark in hair color?
• Which hair color characteristic involves small amounts of lift with higher deposit?
• Which organic acid is derived from citrus fruit and used for pH adjustment in hair products?
• What can be a result of improper application of hair color products?
• What is the role of a solvent in haircoloring products?
• What term refers to a concentrated color used to reduce red or gold highlights?
• What forms the inner structure of a hair strand?
• What term is used to describe a solution with a pH greater than 7.0?
• What type of hair color is characterized by its ability to lift and deposit color simultaneously and requires a developer?
• Which type of tint is made from oxidative dyes?
• What does the color wheel represent?
• Which process does an activator influence in hair dye applications?
• What chemical reaction occurs between dye intermediates and hydrogen peroxide in hair coloring?
• What is the process of applying a deposit-only color over previously highlighted hair called?
• What is a common measurement for cooking that is equivalent to 2 teaspoons?
• In what technique are colors applied in a way that the hair appears to have dimension like a marble?
• What is the term for adding additional natural color to gray hair to reduce the appearance of gray?
• What is the term for a lightener that can be used directly on the scalp?
• What constitutes a surfactant in hair products?
• What term is used to indicate hair color that contains red, orange, yellow, or gold tones?
• On the pH scale, what value represents a neutral solution?
• What is a common result when adding low lighting to hair?
• What is the term for the method of joining atoms to form molecules?
• What does it mean for hair to fade?
• Which term describes colors that are seen as blends of different tones in hair coloring?
• What is the primary function of cetyl alcohol in hair coloring?
• Which term describes a substance used to accelerate a chemical process in the context of hair coloring?
• In hair color treatment, what does "color mixing" involve?
• In hair coloring, what does 'elasticity' refer to?
• What is the purpose of pH adjustment in hair coloring products?
• What is the name of the chemically treated paper used to test the acidity or alkalinity of a product?
• What does the term stage refer to in the process of lightening hair?
• What does pH measure in relation to solutions?
• What term is used for a mixture of colors that create a visually complex effect in the hair?
• Which type of dye produces increased absorption with each application?
• What is the outermost layer of the hair shaft called?
• What is formed by mixing a primary color with an adjacent secondary color on the color wheel?
• Which part of the hair shaft is located between previously chemically treated hair and the scalp?
• Why is it important for hair color products to meet FDA standards?
• What type of tones does a cool hair color typically exclude?
• Which layer of hair is responsible for its protective qualities?
• What hair coloring technique is characterized by achieving lightness as if touched by the sun?
• What colorless gas is used in haircolor to aid in the oxidation process?
• What type of hair color is pre-oxidized and lasts through several shampoos?
• What term refers to the unwanted mixing of colors during the hair coloring process?
• What term describes the quality of warmth or coolness in a hair color?
• What system is used internationally to define the lift/deposit ratio in a bottle of hair color?
• What does color base determine in hair coloring?
• What technique involves adding thin ribbons of lighter hair woven through darker natural hair?
• What is the purpose of a single process color in hair coloring?
• Which chemical ingredient in permanent hair color functions to alter the dye’s intermediates?
• What process is often used to provide a base for applying permanent hair color?
• What is the role of an enzyme in chemical processes?
• Complementary colors are positioned how on the color wheel?
• What is the primary chemical function of ammonium hydroxide in permanent hair coloring?
• What term describes the type of hair color applied for a short-term effect that can be easily removed?
• What is the primary function of hydrogen peroxide in hair coloring?
• What method of hair coloring is typically more evident on short hair, providing a spiked appearance?
• What is the effect of overlapping color applications on previously colored hair?
• Which term refers to the ability of hair to stretch and return to its normal state?
• What is the smallest part of a compound, consisting of two or more atoms chemically joined together?
• What does the term 'Condition' refer to in hair color practice?
• What is the volume equivalent of half an ounce in teaspoons?
• What is the primary action of hair color or lightening products on natural pigment?
• What procedure is typically performed to check for allergies before applying hair color?
• What is the general purpose of a stabilizer in haircare products?
• What is "color lift" in the context of hair coloring?
• What is a solution with a pH of less than 7.0 classified as?