Chapter 20 Chemical Texture Service

Question 1

Mid-strength relaxers are formulated for…

Answer 1

Fine, color-treated, or damaged hair.

Question 2

Japanese thermal straightening…

Answer 2

is sometimes called thermal reconditioning.

Question 3

When rinsing the hair after the recommended processing time has elapsed, it is recommended that you…

Answer 3

Smell the hair to determine if it still smells like perming solution.

Question 4

What is the most common neutralizer?

Answer 4

Hydrogen Peroxide

Question 5

Which type of perm is recommended for extremally porous hair?

Answer 5

True acid waves

Question 6

An endothermic chemical reaction is one that absorbs _____ from its surroundings.

Answer 6

Heat

Question 7

Which of the following is not considered a main component of an exothermic wave?

Answer 7

Concentrator

Question 8

Most of the acid waves found in today’s salons have a pH between

Answer 8

7.8 and 8.2

Question 9

A pH of 7.0 is ____ than the pH of hair.

Answer 9

100 times more alkaline

Question 10

Manufacturers add an alkalizing agent to waving solutions because the acid in the solutions…

Answer 10

does not swell the hair or penetrate into the cortex.

Question 11

The reducing agent used in permanent waving solutions is commonly referred to as

Answer 11

Thio

Question 12

Hydrogen bonds can be broken by

Answer 12

either water or heat

Question 13

The process by which hydroxide relaxers permanently straighten hair is called…

Answer 13

Lanthionization

Question 14

Long chains of amino acids joined together by peptide bonds are known as…

Answer 14

Polypeptide chains

Question 15

Which of these stops that action of the waving solution and rebuilds the hair into its new curly form?

Answer 15

Thio neutralization

Question 16

A _______ is a type of wrap in which the hair is wrapped on one rod from the scalp to midway down the hair shaft, and another rod is used to wrap the remaining hair strand in the same direction.

Answer 16

Piggyback wrap

Question 17

Which of these terms refers to the position of the rod in relation to its base section?

Answer 17

Base placement

Question 18

The _______ is the tough exterior layer of the hair.

Answer 18

Cuticle

Question 19

Which of these terms refers to the thickness of thinness of a liquid?

Answer 19

Viscosity

Question 20

Which of these are usually classified as a lye-based relaxer?

Answer 20

Sodium Hydroxide Relaxers

Question 21

A __________ is a wrapping pattern in which all the rods within a panel move in the same direction and are positioned on equal-sized bases.

Answer 21

Basic permanent wrap

Question 22

A ______ is a type of wrap that uses one end paper folded in half over the hair ends like an envelope.

Answer 22

Bookend wrap

Question 23

Which of these terms refers to the angle at which the rod is positioned on the head: horizontally, vertically, or diagonally?

Answer 23

Base Direction

Question 24

The middle layer of the hair is the…

Answer 24

Cortex

Question 25

Which type of relaxer requires the application of a protective base cream to the entire scalp prior to the application of the relaxer?

Answer 25

Base relaxer

Question 26

Which of the following is a method of hair straightening that combines the use of a thio relaxer with flat ironing?

Answer 26

Japanese thermal straightening

Question 27

A _______ is a type of perm wrap in which the hair is wrapped at an angle other than perpendicular to the length of the rod.

Answer 27

Spiral perm wrap

Question 28

The chemical bonds that join amino acids together are called…

Answer 28

peptide bonds.

Question 29

The partings and base radiate throughout the panels to follow the curvature of the head in which type of wrap?

Answer 29

Curvature permanent wrap

Question 30

The _____ is the innermost layer of the hair.

Answer 30

Medulla