pH
substances of acidic or alkaline nature dissolve in water and/or contain
water
all of the following statements are true about color, EXCEPT
A) it is a phenomenon of light
B)it is a group of electromagnetic waves
C) it can be seen if wavelengths are reflected off an object
D)it does not depend on the presence of light
D) it does not depend on the presence of light
which colors coat only the surface of the cuticle and do not enter the cortex
temporary
hair color products that are mixed with a developer to create a chemical change are called
oxidative color
which color tool is used to apply a thick or creamy color consistency
color brush
a small concentration of eumelanin will produce
light blond hair
a solution that has more positive hydrogen ions than negative hydroxide ions is
acidic
what are the 3 primary colors
red, yellow, and blue
a nonoxidative process that uses large and small color molecules and allows small color molecules to penetrate the cuticle and enter the cortex is called
semi permanent coloring
a type of hair color that uses a low volume hydrogen peroxide that can only deposit color or add tone to the hair would be
long lasting semi permanent
what consists of nylon bristles on one end and a pointed tip on the other
color brush
red hair color would be determined due to a what type of melanin
dense concentration of pheomelanin
when a solution has an equal number of hydrogen and hydroxide ions, the solution is considered
neutral
what colors are produced by mixing 2 primary colors in varying proportions
secondary
which of the following characteristics does NOT describe semi permanent colors
A) only deposits color
B)retouch services are not required
C)leaves a line of demarcation
D)does not involve a chemical change to alter hair
C)leaves a line of demarcation
long lasting semi permanent colors will generally last
4-6 weeks
which color tool is commonly used to apply color products with a liquid consistency
applicator bottle
which hair texture may tend to process slightly lighter than the intended level
coarse
distilled water with a pH of 7 is considered
neutral
cool colors include
A)blues
B)yellows
C)reds
D)oranges
A)blues
a vegetable dye that produces reddish highlights is commonly known as
henna
demi permanent colors are NOT designed to
A)add tone
B)last 4-6 weeks
C)deposit color
D)lighten existing color
D)lighten existing color
a(n)_________ is used to comb and part the hair
which type of porosity may take longer to absorb coloring
resistant
on the pH scale, numbers less than 7 indicate
acidic solution
the vividness, brightness or saturation of a color is referred to as
intensity
chemical services should not be performed on hair that has been colored with any of the following products EXCEPT
A) henna
B)metallic dyes
C)compound dyes
D)weekly rinses
D)weekly rinses
permanent hair colors are sometimes called
oxidative tints with ammonia
what tool is commonly used when highlighting
foils
with resistant porosity, cuticles are
smooth
on the pH scale, numbers greater than 7 indicate
alkaline solution
an example of a tertiary color would be
A)yellow-orange
B) blue-yellow
C)violet
D)blue
A) yellow-orange
a mixture of red and yellow creates what color
orange
the combination of hydrogen peroxide and which of the following items will allow for the lift and lightening of the hairs natural color
A)Shampoo
B)relaxer
C)pigment
D)ammonia
D) ammonia
a 20 volume hydrogen peroxide solution will generally lift the hair how many levels
2 levels
on the scalp lighteners have a pH of
about 9.0
a pH of 5 is how many more times acidic than a pH of 6
10
mixing varying proportions of a primary color with its neighboring secondary color will produce
a tertiary color
varying proportions of blue and yellow create what color
green
which of the following products require the use of a skin patch test
A)temporary color
B)color mousse
C)permanent color
D)weekly rinse
C)permanent color
a 30 volume hydrogen peroxide solution will generally lift the hair how many more levels than a 20 volume solution
1 level
which process involves lightening the hair and then recoloring to the desired color result
double process
the most accurate method of measuring a pH is with
a pH meter
which of the following combinations is NOT a tertiary color
A)red-violet
B)blue-green
C)red-orange
D)blue-yellow
D)blue-yellow
an application of which colors would help rid a client of unwanted orange tones
blue based
what may be required if the desired amount of lift is not achieved using a single process color
pre-lightening
which product is used before a color service to provide an even base
filler
what are methods of highlighting/lowlighting
Cap, weave, slice
what is the pH range of hair, skin and nails
4.5-5.5
mixing colors found opposite one another on the color wheel produces which color
gray, black, or brown
which of the following descriptions identifies warm colors
A) colors that contain blue hues
B)colors that contain green hues
C)colors that fall into the orange and red half of the wheel
D)colors that are opposite each other on the color wheel
C) colors that fall into the orange and red half of the wheel
which item is the most commonly used developer or oxidizing agent
hydrogen peroxide
which of the following statements is true of lighteners
A)used to add melanin to the hair
B)used to add polymers and melanin
C) generally applied to wet hair
D) used to diffuse or remove pigment
D)used to diffuse or remove pigment
why can you not jump from a level 1 to a 10 in one session
pH balanced refers to a product that ranges from a pH of
4.5-5.5
colors found opposite one another on the color wheel are called
complementary colors
a level 12 color is
the lightest level
which of the following statements is true to products that contain aniline derivatives
A)they are always temporary
B)a skin patch test is not required
C)they may be applied to the eyelashes
D)a skin patch test is required
D)a skin patch test is required
off the scalp lighteners are generally used for
special effects such as highlighting
what are the steps to cleaning a color brush and bowl
dispose of all remaining color
rinse until water runs clear
scrub with soap and water
immerse in EPA disinfectant