The process of permanently altering the natural wave pattern of hair is described as - Answers Chemical
Texture Services
The two methods of wrapping hair around a perm tool are - Answers Spiral & Croqinole
Once in the cortex the waving solution breaks the disulfide bonds through a chemical reaction called -
Answers Reduction
In the reconstructing process, coarse, resistant hair with a strong compact cuticle requires a solution
that is - Answers Highly alkaline
An acid with a low pH that is the primary reducing agent in acid waves is - Answers Glycerol
monothioglycolate
Waves that are activated from an outside heat source are considered - Answers Endothermic
The process of stopping the action of permanent waves and hardening the hair into its new form is -
Answers Neutralization
In permanent waving the size of the curl is determined by the - Answers Size of the rod
The most common reducing agents used are - Answers Thioglycolate acid
The wrapping technique that provides the most control over hair ends and keeps them evenly
distributed over the entire length of the rod is a - Answers Double flat wrap
Hair that has too many disulfide bonds broken and will not hold a firm curl is considered - Answers Over
proccessed
The main active ingredient or reducing agent in alkaline permanent waves is - Answers ammonium
thioglycolate
A correct permanent wave service alters only what bonds - Answers disulfide/ "side bonds"
The key to ensuring complete penetration of permanent waves is - Answers saturation of the cortex
most alkaline permanent waves have a pH between - Answers 9.0 and 9.6
In permanent waving the shape and type of curl are determined by the shape and type of rod and the -
Answers wrapping method
Most acid waves have a pH value between - Answers 7.8 and 8.2
Acid permanent waves have 3 components - Answers waving lotion, activator, and neutralizer
Endothermic perms are activated by an - Answers outside heat source
, the process of stopping the action of permanent waving and hardening the hair in to a new form is -
Answers neutralization
before applying a neutralizer to the hair - Answers rinse for 5 minutes
Chains that are formed by peptide bonds that are linked together are - Answers peptide
In permanent waving the reduction reaction is due to the addition of - Answers hydrogen
Chemical services performed on overly porous hair requires a solution that is - Answers low ph
Waves that create a chemical reaction that heats up the solution and speeds up processing is - Answers
exothermic
Two important functions performed during the neutralization process are - Answers deactivates solution
and rebuilds disulfide bonds
Chemical services should not be performed if there are any signs of ______ on the scalp - Answers
abrasions
The technique of drying used to keep curly hair smooth and straight to help keep shape is - Answers hair
wrapping
The technique of drying and styling hair in one operation is - Answers blow dry styling
A blow dryer attachment used to accentuate textural definition is a - Answers diffuser
A soft press removes _________ percent of the curl - Answers 50-60 percent
For a smooth press use a pressing comb with a - Answers hard press
To remove carbon build up from the metal portion of a pressing comb, immerse the comb in a solution
of - Answers hot baking soda
The press performed when the hair becomes curly again due to perspiration or dampness is a - Answers
touch up
Good quality pressing combs are made of either - Answers steel or brass
The thermal press that removes 100 % of curl is accomplished by applying the comb twice on each side
of the hair is a - Answers hard press
The type of hair press that removes 50-60% of the curl is - Answers soft press
As a rule of thumb, gray coarse hair can with stand more _____ than fine hair - Answers heat
The hair type that is very resistant to pressing and requires more heat and pressure is - Answers
wiry/curly