chapter 18 permanent waving

50 terms by jessdaly17 

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ammonium thioglycolate

the main active ingredient or reducing agent in alkaline perms is

glycerol monothioglycolate

the main active ingredient in acid-balanced waving lotions is

porosity

the degree to which hair absorbs the waving lotion is related to its

expand the hair

the action of waving lotion is to

little or no elasticity

if hair breaks under very slight strain, it has:

double-tool technique

a method of wrapping a permanent wave that is suitable for very long hair is the

open-ended questions

ask ________ that allow you to find out why the client wants the texture service and what results are expected.

diameter

hair texture describes the __________ of a single strand of hair and is classified as fine, medium, or coarse.

acid-balanced

waves that process more quickly and produce firmer curls than true acid waves are considered to be

exothermic

the perm that is activated by head created chemically within the product is known as

peptide bonds

the polypeptide chains are long chains of amino acids joined together by

endothermic

a perm activated by an outside heat source, usually a conventional hair hood-type hair dryer is known as:

disulfide

bonds that are fomed when the sulfur atoms in two adjacent polypeptide chains are joined together are known as

waving lotion

the chemical action of _______ breaks the disulfide bonds and softens the hair

chemically

when hair has assumed the desired shape, the broken disulfide bonds must be __________ rebonded.

diameter

straight rods are equal in

concave

___________ rods have a small diameter in the center area and gradually increase to their largest diameter at the ends, resulting in a tighter curl at the ends, with a loose, wider curl at the scalp.

fine texture

what type of hair is more fragile, easier to process, and more susceptible to damage from perm services?

coarse texture

what type of hair requires more processing than medium or fine hair and may also be more resistant to processing?

base sections

all perm wraps begin by sectioning the hair into panels which are further divided into subsections called?

base panel

base control refers to the position of the tool in relation to its ______ and is determined by the angle at which the hair is wrapped.

straight set

the basic perm wrap is also called a ______ wrap.

curvature perm

the _________ wrap creates a movement that curves within the sectioned-out panels.

weave technique

the _________ wrap uses zigzag partings to divide base areas.

on-base placement

when the strand of hair is wrapped at an angle 45 degree beyond perpendicular to its base section, it will result in:

half-off base placement

when the strand of hair is wrapped at an angle 90 degrees (perpendicular) to its base section, it will result in:

control ends

end wraps are absorbent papers used to _________ of the hair when wrapping and winding the hair on the perm tools.

single-flat wrap

when you place one end wrap on top of the hair strand and hold it flat, it is called the:

book end wrap

when one end paper is folded in half over the hair ends like an envelope, it is called the:

preliminary test curl

what can be used to determine the actual processing time needed to achieve optimum curl results when giving a perm for the first time on a client?

disulfide

if too many _________ bonds are broken in the perming process, the hair will be too weak to hold a firm curl

insufficient

underprocessing is caused by ________ processing time of the waving lotion.

5 to 10

in permanent waving, most of the processing takes place as soon as the solution penetrates the hair, within the first _____ minutes.

processing time

the length of time required for the hair strands to absorb the waving lotion and for the hair to re-curl is called:

5

always rinse perm solution from the hair for at least ___ minutes before applying the neutralizer.

pre-neutralizing conditioner

some manufacturers recommend the application of a _________ after blotting and before application of the neutralizer.

disulfide bonds

neutralization rebuilds the _________ by removing the extra hydrogen bonds created by the waving solution.

rinsed properly

if the hair is not _____, the hydrogen peroxide in the neutralizer can react with waving lotion and cause the hair color to lighten.

hydrogen

relatively weak physical side bonds that are the result of an attraction between opposite charges are _____ bonds

acidic

an ______ liquid protein conditioner can be applied to the hair and dried under a warm dryer for 5 minutes or more prior to neutralization if hair is damaged.

immediately

in neutralization, the bonds in the hair are re-formed

peptide

chemical bonds that join amino acids together to form polypeptide chains are ______ bonds.

uneven curls

metallic salts leave a coating on the hair that may cause ________, severe discoloration, or hair breakage.

ammonia

if you suspect metallic salts are present, mix 1 oz of 20-volume peroxide with 20 drops of 28% _________ and immerse at least 20 strands for 30 minutes.

partial perming

perming only a section of a whole head of hair is called

bricklay perm

the _____ wrap is used to prevent noticeable splits and to blend the flow of the hair.

spiral

the _____ wrap is done at an angle that causes the hair to spiral along the length of the tool, like the grip on a tennis racket

nape

when performing a procedure for a preliminary test curl, wrap one tool in each different area of the head including the top, the side, and the ________

partial perm

in order to make smooth transition from the rolled section of the head to an unrolled section, use a larger tool for the last tool next to an unrolled section when giving a _____.

texture

many male clients are looking for added _______, fullness, style, and low maintenance that only a perm can provide.

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