Ch.20 Study Guide

Which relaxer contains only one component and is used without mixing?

• guanidine hydroxide relaxers

• neutralizing relaxers

• calcium hydroxide relaxers

• metal hydroxide relaxers

The process that stops the action of permanent wave solution and rebuilds the hair into its new form is called ___.

• thio neutralization

• rinsing

• normalization

• sectioning

_____ minimizes stress and tension on the hair.

• on-base placement

• base placement

• half off-base placement

• Off-base placement

In permanent waving, the reduction reaction is due to the addition of _____.

• carbon

• oxygen

• hydrogen

• sodium

What are the most common reducing agents used in permanent waving?

• ammonia water

• thioglycolic acids

• hydrogen acids

• hydrogen peroxide

_____ refers to the position of the rod in relation to its base section and is determined by the angle at which the hair is wrapped.

• base sections

• base placement

• base wrapping

• base direction

What determines the size of the curl in a permanent waving process?

• the length of the hair

• the size of the rod

• the color of the hair

• the texture of the hair

Exothermic waves create a chemical reaction that heats the waving solution and speeds up ____.

• conditioning

• neutralizing

• processing

• formulation

In a _____, the hair is wrapped at an angle other than perpendicular to the length of the rod which causes the hair to spiral along the length of the rod.

• basic permanent wrap

• croqiognole perm wrap

• spiral perm wrap

• curvature permanent wrap

What is the most common type of perm rod?

• straight rods

• soft bender rods

• curved rods

• concave rods