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25 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Predisposition test |
Aka: Patch test, applying small amount of product on the skin to check for sensitivity and/or allergic reaction to chemical. |
Patch test |
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Processing strand test |
Determines if the hair color is absorbing and processing evenly. |
"Swipe" |
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Cortex |
Middle layer of hair, made up of elongated cells containing melanin and keratin. |
"Everything goes down" |
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Medulla |
Innermost layer of hair composed of round cells; hair missing the medulla is fine or fragile. |
"Inside" |
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Melanin |
Coloring matter that provides us with natural color of our hair, skin; aka pigment. |
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Eumelanin |
Produces brown to black pigments in hair. |
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Pheomelanin |
Produces yellow to red pigments in the hair. |
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Canities |
Medical term for grey hair; gradual decline in melanin. |
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Chemistry |
Science that deals with composition, structures, and properties of matter and how matter changes under different chemical conditions. |
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Organic chemistry |
Study of living or previously living organisms contains carbon. |
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Inorganic chemistry |
Study of non living/never lived things that don't contain carbon. |
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Oxidation |
Chemical reaction that occurs when oxygen is released from a substance; reaction assists in development of color on the hair. |
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Pure substance |
Have definite chemical and physical properties. |
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Solutions |
Stable mixtures of two or more substances, which may be solids, liquids, gases, or combination of these. |
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Solvent |
Substance that is capable of dissolving another substance. |
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Emulsion |
Suspension of one liquid with which the first will not mix. |
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Ammonia |
Organic compound of colorless gas with a strong, pungent odor, composed of nitrogen and hydrogen. |
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Cuticle |
Outermost layer of hair. Generally 7-12 layers of transparent, overlapping scale-like cells. |
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Tertiary color |
Created by mixing a primary color with neighboring secondary color. |
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Residue |
Something left behind on surface. |
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Alkanolamines |
Used to neutralize acids or raise pH. May be used in place of ammonia because they create less odor. |
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Element |
Simplest form of matter. Cannot be broken down into simpler substance |
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Suspension |
Mixture of small particles of a substance are dispersed throughout a gas or liquid. If left undos termed particles will settle and separate. |
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Acid |
Ranges from 0 to 6.9 on pH scale. |
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Developer |
Aka: catalyst; hydrogen peroxide, oxidizing agent added to hair color or lightener that assists in the development process |
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