Ch 21. Haircoloring
Which layer of hair is sometimes absent from the hair?
The medulla
The thickness or diameter of the hair refers to the hairs:
Texture
Which type of shampoo is used to help return hair to the correct pH after a chemical interaction?
Neutralizing shampoo
When performing a layered haircut, the hair is usually cut at a elevation of __ degrees.
90
Natural colors that cannot be made by mixing any other colors are:
Primary colors
Permed, colored, chemically relaxed, and straightened hair will have what degree of porosity?
High porosity
Hair follicles are distributed all over the body, with the exception of the:
Palms of hands and soles of feet
The hydrophilic end of a surfactant molecule is considered the:
Water-attracting end
The apex area is easily located by placing a comb flat on the:
Top of the head
A primary color and secondary color positioned opposite of each other on the color wheel are called:
Complementary colors
Permed, colored, chemically relaxed, and straightened hair will have what degree of porosity?
High porosity
Which type of side bond can be broken by water or heat?
Hydrogen bond
The process in which water passes through a porous substance to remove suspended materials is called:
Filtration
The shape of the head is also known as:
Head form
Which primary color should you use to balance unwanted orange tones in the hair?
Blue
The varying degrees of warmth exposed during a permeant or lightening process is called:
Contributing pigment
The measurement of the individual hair strand on 1 square inch of the scalp is hair:
Density
To detangle wet hair after the shampoo process, you should use a:
Wide-toothed comb
Vertical lines create graduated or layered haircuts by:
Removing weight
Shades are hues darkened by adding:
Black
Cool tones _____ more light, so they look _____ than their actual level.
Absorb, deeper.
The cortex of the hair has a fibrous protein core formed by ______ cells.
Elongated
A(n) _______ absorbs moisture or promotes the retention of moisture.
A Humectant
A technique that uses diagonal lines to create angles by cutting the ends with a slight increase or decrease in length:
Beveling
The depth of each color from lightness to darkness refers to that colors:
Tone