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65 Cards in this Set

  • Front
  • Back

The chemical texture service that loosens overly curly hair into loose curls or waves is:

Curl re-formation

The layer of the hair that provides strength and elasticity is the:

Cortex

The natural pH of hair is:

5.0

In permanent waving, the size of the curl is determined by the:

Size of the rod

The technique of wrapping at a 90-degree angle or straight out from the center is:

Half off-base placement

The twp basic types of wrapping hair around a perm rod are the spiral and:

Croquignole method

A reduction reaction involves either the addition of hydrogen of removal of:

Oxygen

Most alkaline permanent waves have a pH between:

9.0 and 9.6

The basic components of acid waves are permanent wave solution, activator, and:

Neutralizer

An endothermic wave must be activated using a(n):

Outside heat source

Permanent wave solution should be rinsed from the hair for a minimum of:

5 mintues

The process of rearranging extremely curly hair into a straighter or smoother form is:

Chemical hair relaxing

Thio chemical relaxers usually have a pH value above:

10

Hydroxide ions left on in the hair after a relaxer can be neutralized using a(n):

Acid-balance shampoo

Which type of relaxer contains one component and is used without any additional mixing?

Metal hydroxide relaxers

Lithium hydroxide relaxers and potassium hydroxide relaxers are often advertised and sold as:

No-lye relaxers

Which type pf bonds are relatively weak physical side bonds that are the result of an attraction between negative and positive electrical charges?

Salt bonds

Which type of rod is also commonly known as circle rod?

Loop rods

For on-base placement, the hair is wrapped at a _____ angle beyond perpendicular to its base section, and the rod is positioned on its base.

45-degree

Which permanent wave processes at room temperture?

Ammonia-free wave

Chemical texturizers _____ the pH of the hair.

Raise

When should you perform an elasticity test?

Before perming hair

Porous hair:

Can be damaged by a highly alkaline permanent waving solution

GMTG, the primary reducing agent in all acid waves, has:

a low pH

True acid waves:

Require heat to process

Ammonia-free waves:

Can be damaging

In permanent waving, most of the processing takes place within:

5 to 10 minutes

With permanent waving, it is recommended that you:

Examine that scalp before the perm services

With extremely curly hair, the twists are the _______ sections of the hair strands

Thinnest and weakest

Relaxers are:

Extremely alkaline

If the client's hair has been treated with a hydroxide relaxer, it:

Is ideal for permanent waving

A _____ is a perm wrap in which one end paper is placed under and another is placed over the strand of hair being wrapped

Double-flat wrap

Which type of rods are usually about 12-inches (30.5 centimeters) long with a uniform diameter along the entire length?

Soft bender rods

Thioglycolic acid:

Is a common reducing agent

The _____ is the innermost layer of the hair.

Medulla

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

Curvature permanent wrap

The chemical bonds that join amino acids together are called:

Peptide bonds

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.

Spiral perm wrap

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

Japanese thermal straightening

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

Base relaxer

The middle layer of the hair is the:

Cortex

What term refers to the angle at which the rod is positioned on the head?

Base direction

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

Bookend wrap

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.

Basic permanent wrap

Which of these are commonly known as lye relaxers?

Sodium hydroxide relaxers

Which rods are equal in diameter along their entire length or curling area?

Straight rods

What terms refers to the thickness or thinness of a liquid?

Viscosity

The ______ is the tough exterior layer of the hair.

Cuticle

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

Base placement

A ______ is a type of wrap in which the hair is wrapped on one rod from the scalp to midway down the hair shaft.

Piggyback wrap

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

Thio neutralization

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

Polypeptide chains

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

Lanthionization

Hydrogen bonds can be broken by:

Either water or heat

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

Sulfate

Manufactures add an alkalizing agent ti waving solutions because the acid in them:

Neither swells the hair nor penetrates into the cortex

A pH is 7.0 is ________ than the pH of hair,

100 times more alkaline

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

7.8 and 8.2

What is NOT one of the three main components of an exothermic wave?

Concentrator

A(n) ______ uses an endothermic process.

low-pH wave

Which type of perm is recommended for very damaged hair?

True acid wave

What is the most common neutralizer?

Hydrogen peroxide

When rinsing the hair for a permanent wave, it is recommended that you:

Always smell the hair the hair after the recommended time has elapsed

Japanese thermal straightening:

Is sometimes called thermal reconditioning

Mild-strength relaxers are formulated for:

Fine, color-treated, or damaged hair