Font size
WorksheetsPermanent Waving Part 3
Total questions: 15
Worksheet time: 14mins
Severe discoloration or hair damage can result when attempting to perm hair treated with products containing:
metallic dyes/salts
ammonia
aniline derivatives
hydrogen peroxide
For optimum bonding, most neutralizers remain in the hair for (a) minutes
The main difference between a perm and a body wave is the:
size of the rods
strength of the perm
processing time
neutralizing time
Hair that looks curly when wet but feels harsh and damaged when dry is:
resistant hair
in need of re-perming
underprocessed hair
overprocessed hair
To help determine in advanced how a client’s hair will react to a perm, it is necessary to do a:
strand test
preliminary test curl
predisposition test
patch test
The main active ingredient in neutralizer is:
sodium hydroxide
ammonium thioglycolate
hydrogen peroxide
The length of time required for the hair strands to absorb the waving lotion and the bonds to rearrange is called:
A perfectly processed perm should break what percent of the disulfide bonds?
(a)
If you suspect that metallic salts are present, mix one ounce of 20 volume peroxide with 20 drops of 28%:
ammonia water
bleach water
rose water
hydrogen water
The method used to rebuild and reharden the hair after it has been processed is called:
reformation
reduction
neutralization
hydrogenation
If the hair is underprocessed:
too many disulfide bonds are broken
too few disulfide bonds are broken
the hair is curlier at the scalp
the hair is usually completely straight on the ends
An important step after rinsing and before neutralizing a perm is:
blotting
rod removal
In perming, most of the processing takes place in the:
First 5-10 minutes
First 10-15 minutes
Last 5-10 minutes
Last 10-15 minutes
What is one safety precaution to follow when perming?
Give one instance when you would not want to give a perm:
