Heat waves that are self- timed and self- heated are called
100
Glycerol monothioglycolate
What is the main ingredient found in an acid wave
100
false
You can perm hair that has metallic salts in it
100
Charles Nessler
The inventor of the first permanent machine was...
100
Acid
Which type of wave is recommended for color treated, highly porous, or previously permed hair?
200
Sodium Hydroxide
What is the oldest, and still the most common type of chemical hair relaxer?
200
shampoo
After a client consultation and drapping what is the first step before perming the hair
200
true
Reduction reaction involves the addition of hydrogen and removal of oxygen.
200
1905
The first machine capable of producing permanent curl was invented in...
300
conditioning filler
To protect the previously treated hair from the chemical product when performing a relaxer retoucher service, apply to the previously relaxed hair a protective cream
300
partial perm
What perm would be used when a male or female client wants volume in their hair but only above their crown line
300
false, because it contains no ammonium or peroxide
You can not use a semipermanent product on the same day as relaxing
300
1970
Acid waves were introduced in what year?
400
all solutions
What wave solution contains a reducing agent
400
false
To process an acid wave you need no heat and less tension.
400
1941
What year were alkaline waves(aka cold waves) developed?
500
Ammonium Thioglycolate
What is the chemical reducing agent that causes the hair to soften and swell; also called thio relaxer
500
Ammonium Hydroxide
What is another main ingredient found in the alkaline waves other than ATG that speeds up processing time?
500
True
Base placement refers to the position of the rod in relation to its base section; base placement is determined by the angle which the hair is wrapped.
500
base relaxers
Prior to 1960, what were sodium hydroxide relaxers also known as