What process permanently rearranges the basic structure of curly hair into a straight or smoother form?
What is chemical hair relaxing
100
The most common types of chemical hair relaxers are ammonium thio, guanidine hydroxide and ......................
What is sodium hydroxide
100
The measurement of the thickness or thinness of a liquid that affects how the fluid flows is known as .........................
What is viscosity
100
Before giving a relaxing treatment to curly hair, the cosmetologist must perform an analysis of the client's hair and scalp, testing for porosity and ..................... on several areas of the head.
What is elasticity
100
In .............................., the process by which hydroxide relaxers permanently straighten hair, the relaxers remove a sulfur atom from a disulfide bond and convert it into a lanthionine bond.
What is lanthionization
200
Relaxers that are ionic compounds formed by a metal combined with oxygen and hydrogen are known as .................................................
What is metal hydroxide relaxers
200
Sodium hydroxide relaxers are commonly called ......................................
What is lye relaxers
200
The action of a guanidine hydroxide, or no-lye, relaxer causes the hair to ...........................
What is soften and swell
200
............................... relaxers are intended for use on color-treated, damaged, or fine hair.
What is low-pH
200
Hydroxide relaxers are usually sold in ....................... formulas.
What is base and no base
300
The scalp and skin are protected from possible burns when using a base hair relaxer by applying .........................
What is base cream
300
Application of the relaxer for a retouch begins in the most resistant areas, usually at the back of the head or .....................................
What is under the occipital bone
300
If using a "no base" relaxer, a protective cream may be applied .................................
What is to the hairline and around the ears
300
General guidelines suggest that for fine, color-treated, or damaged hair, a (n) ............................ strength relaxer should be used.
What is mild
300
General guidelines suggest that for coarse, extremely curly and resistant hair, a (n) ......................... strength relaxer should be used.
What is strong or super
400
Inspecting the action of the relaxer by smoothing and pressing the strand to the scalp is called ......................
What is periodic strand testing
400
To check relaxer processing, smooth and press a strand to the scalp using the back of the comb or your finger. If the curl returns, ...................................................
What is continue processing
400
When applying hydroxide relaxer on virgin hair, the processing cream is applied last to the ............................... and ............................
What is scalp area, hair ends
400
The product is applied first to the ............................ when performing a sodium hydroxide retouch.
What is new growth only
400
What product is used to restore the hair to a normal acidic pH?
What is normalizing lotion
500
The best type of shampoo to use after the chemical relaxer is a (n) ...................................
What is neutralizing shampoo
500
A hair relaxing treatment should be avoided when an examination shows the presence of ...................................
What is scalp abrasions
500
Of the general types of hair relaxers, which one does not require pre-shampooing?
What is sodium hydroxide
500
What is one safety precaution that must be followed with all chemical hair relaxing services?
What is wearing protective gloves
500
One safety precaution for hair relaxing is to avoid ......................... the scalp with the comb or fingernails.