In permanent waving, most of the processing time takes place as soon as the solution penetrates the hair, within the first ____ minutes
What is 5 to 10
100
The chemical composition of hair consists almost entirely of a protein called
What is keratin
100
What type of hair is more fragil, easier to process, and more suscepitle to damage from perm services
What is fine texture
100
The _____ wrap is used to prevent noticable splits and to blend the flow of the hair
What is bricklay perm
200
The length of time required for the hair strands to absorb the waving lotion and for the hair to re-curl is called
What is processing time
200
Bonds that are formed between two cysteine amino acids located on neighboring polypeptide chains are
What is disulfide
200
What type of hair requires more processing time than medium or fine hair and may also be more resistant to processing
What is coarse texture
200
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 racquet
What is spiral
300
Always rinse perm solution from the hair for at least ____ minutes before applying the neutralizer
What is five
300
The chemical action of ____ breaks the disulfied bonds and softens the hair
What is waving lotion
300
If too many _________ bonds are broken in the perming process, the hair will be too weak to hold a firm curl
What is disulfide
300
In order to make a 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 ___________
What is partial perm
400
Some manufacturers recommend the application of a _______ after blotting and before application of the neutralizer
What is pre-neutralizing conditioner
400
When hair has assumed the desired shape , the broken disulfied bonds must be ________ rebonded
What is chemically
400
Neutralization rebuilds the _________ by removing the extra hydrogen bonds created by the waving lotion
What is disulfide bonds
400
Many male clients are looking for added ___________ , style, and low maintenance that only a perm can provide
What is fullness
500
If the hair is not __________, the hydrogen peroxide in the neutralizer can react with waving lotion and cause the hair to lighten
What is rinsed properly
500
A ______ is an example of a physical change that results from breaking and re-forming the hydrogen bonds within the hair
What is wet set
500
When one end paper is folded in half over the hair ends like an envelope , it is called the
What is bookend wrap
500
Metallic salts leave a coating on the hair that may cause _______,
severe discoloration , or hair breakage