Milady Chapter 21: Hair Color Theory and Chemistry

Milady ch 21 Question Clients color hair every 2-6 weeks The melanin that gives black and brown color to hair is eumelanin? The predominant tonality of an existing color is a base color? When hair looks gun metal gray it is ready to be colored? Pre-softening acts like a stain to hair? Powder off scalp lighter contains pure sulfate salts for lightening? Viscosity is the concentration of hydrogen peroxide Which melanin gives black and brown color to hair? Cuticle that's lifted and absorbs color quickly? Ability to absorb liquids is referred to as? Hair type with large diameter take longer to process? Fine hair takes color faster and can look darker because of melanin granules are grouped? Hair texture determined by diameter of individual hair? Natural coloring pigment found in cortex layer of hair? The darkest hair colors in the level system are identified as being a level? part of their composition all permanent coloring products and lighteners contain both a developer? all hair coloring products require a patch test with exception of? natural based colors are often used to cover? colors that can look deeper than their actual level? the hue or balance of color seen in the hair is? primary and secondary colors that are positioned opposite each on the color wheel? color products that have coating action on the hair and are removed by shampooing? demi- permanent colors are also known as? color products that are regarded as best for covering gray hair? dye precursors that combine with hydrogen peroxide to form large permanent dye molecules are called? natural, vegetable and metallic hair colors are also known as? haircolor products that change hair gradually by progressive buildup and exposure to air? the most commonly used developer in her hair color? standard volume of hydrogen peroxide used to achieve most results with permanent haircolor? chemical compounds that lighten hair by dispersing, dissolving, and decolorizing the natural pigment? the process where the hiar is prelightened and than toned? decolorizing the hairs natural pigment allows the colorist to create the exact degree? haircoloring products that are used primarily on prelightened hair to achieve pale and delicate colors? during the process of decolorizing, natural hair can go through as many stages as? most critical part of haircoloring service is? clients with hair in questionable condition who request chemical services should be required to sign? when applying color using the brush-and-bowl method, the mixing bowl should be? before performing a color service with an aniline derivative product, the client must have a? the U.S federal, drug, and cosmetic act prescribes that predisposition test be given a predisposition test is generally conducted behind the ear or? Answer False True True False True False False Eumelanin High porosity Porosity Coarse textured hair More tightly Strands Melanin 1 alkalizing ingredient temporary colors gray hair cool tones tone complementary colors temporary colors no lift- deposit only permanent haircolor aniline dervatives gradual color metal salts hydrogen peroxide 20% hair lightners double process contributing pigments toners 10 stages haircoloring consultation release statement non metallic patch test 24-48 hours inside the elbow the prcess that lightens hair and deposits color in one application is a? overlapping hair color on previously tinted hair can cause breakage and create a visible line? applying color for single process retouch application? lightners that have a thicker consistency and give more control during scalp application are? powder persulfate salts added to haircolor to increase its lightening ability are? part of the hair shaft between the scalp and the hair that has been previously colored is? coloring technique that involves coloring some strands of hair lighter than natural hair color? technique of coloring strands of hair darker than the natural hair color is? the technique using a free form of painting hair lightner directly on clean styled hair is? the weaving motion technique also known as the process of treating gray or very resistant hair to allow for better penetration of color is? should NEVER apply hair color to a client if the scalp has any obvious signs of? fist step of double process haircoloring, used to lift or lighten the natural pigemtn before application of toner first time the hair is colored nonammonia color that adds shine and tone to the hair used to equalize porosity? An intermediate color achieved by mixing a secondary color and it neighboring primary color on the color wheelin equal amounts is? single process haircolor demarcation 1/4 inch subsection cream lighteners activators new growth high lightening low lighting bayalage zig zag motion presoftening abrasions prelightening virigin applicator glaze filler Tertiary colors