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Color theory study
Cosmetology color theory
| Question | Answer |
|---|---|
| What are the three layers of the hair? | Cuticle , cortex ,medulla |
| What is color? | The visible perception of the reflection of light |
| Natural pigment is found where in the hair shaft? | Cortex |
| What are the primary colors? How are they made? | Red,blue,yellow. They occur naturally in nature |
| What are the secondary colors? How are they made? | Orange, green , violet. They are by mixing two primary colors in varying proportions |
| What are the tertiary colors? How are they made? | RO,RV,BV,BG,YG,YO. they are made by mixing a primary color with a neighboring secondary color in varying proportions |
| What are complementary colors? List them. | Colors located opposite one another on the color wheel that neutralize when mixed. When mixed they contain all 3 primary colors. (Red/Green),(blue/orange),(yellow/violet) |
| What is a Level | The lightness or darkness of a color relative to itself and other colors |
| What is a Hue? | An abbreviation for easy reference to a color, EX. RV= RedViolet |
| What is Intensity? | The vividness,brightness,or saturation of a color within its own level. |
| What is Contributing Pigment? | Natural pigment in the hair or previously applied artificial color |
| What is Texture? | The coarseness or fineness of the hair fiber |
| What are two coarse hair texture considerations? | -May appear to process lighter when coloring -Generally more resistant |
| What are two fine hair texture considerations? | -May appear to process darker when coloring -generally less resistant |
| What is resistant porosity? | Cuticle layers are smooth, tightly packed and compact |
| What is average porosity? | Cuticle layers are slightly raised and accept color easily |
| What is extreme porosity? | Cuticle layers are lifted and or missing. Color may take too intensely or not hold and fade quickly |
| 4 common factors that affect porosity of the hair? | -sun exposure -alkaline shampoos -chemical products -heat from blow dryers and curling irons |
| What colors are warm? | R/V,R,R/O,O,Y/O,Y,Y/G |
| What colors are cool? | R/V,V,B/V,B,B/G,G,Y/G |
| What two colors can be considered both warm and cool? | R/V,Y/G |
| What is an undertone? | The unrefined warm tones exposed when lightening |
| Can color lift color? Can color affect color? | No,yes |
| What are corrective bases? | Complementary colors |
| In what two situations does oxidation occur? | When color mixes with developer, when oxygen touches color |
| Developers are alkaline or acidic? | Acidic |
| What volumes of developer are safe for on the scalp color applications? | 10v,20v,30v,40v |
| What volumes of developer are safe for on the scalp bleach applications? | 10v,20v |
| What volumes of developer are safe for off the scalp bleach applications? | 10v,20v,30v,40v, |
| Give the description for temporary color molecules | Large color molecules coat the cuticle |
| Temporary colors last how long ? | From shampoo to shampoo |
| Temporary colors are what type of colors? | Non-oxidative |
| Temporary colors create a physical or chemical change to the hair? | Physical |
| Give the description of semi permanent color molecules | Large color molecules coat the cuticle,smaller molecules budge into the cuticle |
| Semi permanent colors are what type of color molecules? | Non oxidative |
| Semi permanent colors lift or deposit only? | Deposit only |
| Give the description of permanent color molecules | Smaller molecules enter the cortex and couple up |
| Permanent colors are what type of colors? | Oxidative |
| Permanent colors lift or deposit only? | Capable of lifting natural color and depositing pigment in one process |
| What are non oxidative colors? | Colors that don’t require developer,add pigment, don’t lighten |
| What are oxidative colors? | Colors that are mixed with developer, deposit and lift in one process |
| What are 3 advantages of a filler? | Prevents dull results, prevents off color results, helps hair hold color |
| How do you formulate a filler? | One level lighter than the desired target level, always warm |
| What are the three hair qualities that affect the lifting ability of color on natural hair? | Porosity,elasticity,texture |
| What are the two principal ingredients needed to lighten hair? | Peroxide and an alkaline agent |
| What is the application process of a retouch color? | From base to line of demarcation or previous color |
| What is the application process of a traditional virgin application? | Mids&ends, then base |
| What is the application process of a traditional virgin darker application ? | Base to ends |
| What is the purpose of cross checking color? | To ensure even saturation |
| What are toners? | Toners are used to deposit color and neutralize unwanted pigment remaining after prelightening such as brassy golds or yellows |
| What is a double process technique? | Lighteners decolorize, toner application recolorizes |
| The most common vegetable dye is what? | Henna |
| What are metallic dyes? | Known as progressive dyes because hair darkens with each application |
| What volume of developer is standard use for grey coverage? | 20v |
| Give the description of Demi permanent color molecules | Large color molecules coat the cuticle smaller molecules enter the cortex,some couple up |
| Demi permanent colors are what kind of colors? | Oxidative |
| Demi permanent colors lift or deposit only? | Deposit only |
| What are compound dyes? | A combination of vegetable and metallic dyes |
Created by:
Wickedmystic
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