Chemistry
This type of wave uses thioglycolic acid or its derivatives with ammonia and process the hair without heat.
What is cold wave?
This perm wrap is considered the most basic perm wrap pattern.
What is rectangle.
Sodium hydroxide relaxers are generally used on this type of hair.
What is tightly curled?
Two methods of wrapping hair around a perm rod.
What is croquignole and spiral?
The first machine capable of producing permanent curl was invented in:
What is 1905
This structure must be permanently broken to change the hair from straight to a curly state.
What is disulfide bond?
Too much hair on a rod can cause:
What is uneven curl pattern?
This products should NOT be applied to the hair if it has been previously permed with ammonium thioglycolate.
What is sodium hydroxide?
Creates an undulating wave and volume at the base of the hair.
What is croquignole wrapping?
The inventor of the first permanent wave machine.
Who is Charles Nessler
Alkaline waves carry a pH of:
What is 8.0 - 9.5
Neutralizing is also known as:
What is rebonding?
This chemical service is designed to change tightly curled hair to curly or wavy hair.
What is curl reforming?
Produce curl waves that are uniform.
What is straight rods?
Invented the no electricity perm.
Who is Evans and Mcdonough.
Hydrogen peroxide, sodium perborate or sodium bromate are commonly used in
What are neutralizers?
Which waving solution is not recommended for porous or damaged hair?
What is alkaline?
The three relaxer strengths.
What are mild, regular and super?
Uses one end paper folded in half.
What is bookend wrap?
Invented the first cold wave.
Who is Arnold Willatt
Low alkaline waves have a pH of
What is 8?
Hair must be wrapped WITHOUT tension when using:
Two phases of chemical relaxing.
What is chemical and physical?
To achieve the desired curl formation, hair should wrap around the rod at least
What is 2.5 times?
1938
What is invention of the first cold wave perm.