Permanent Waving Study Guide

Front 1

What does the waving lotion do the hair to make it curl?

Back 1

Softens and bends the hair to the to the shape of the rod.

Front 2

What do end papers allow you to control when wrapping a perm?

Back 2

The ends.

Front 3

Hair has three layers- the cuticle, the ________________ and the medulla.

Back 3

Cortex

Front 4

What determines the size of the curl in a permanent wave?

Back 4

The size of the rod.

Front 5

Does resistant hair required a longer processing time?

Back 5

Yes

Front 6

__________________ is the ability of the hair to absorb liquids.

Back 6

Porosity

Front 7

Can vigorous brushing of the hair before a permanent wave cause scalp irritation?

Back 7

Yes

Front 8

How much tension should the hair be wrapped with for a perm?

Back 8

Minimum to none

Front 9

Wrapping the hair vertically from ends to scalp is called _____________ wrap.

Back 9

Spiral

Front 10

Which type of perm may require the added heat of a dryer?

Back 10

Acid

Front 11

The size of the base is determined by....the diameter of the rod, the length of the rod, both, or something else?

Back 11

Both

Front 12

Does the hair tend to expand during a permanent Waving process, or does it tend to contract...?

Back 12

Expand

Front 13

What is the main ingredient in acid-balanced waving lotion?

Back 13

Glyceryl monothioglycolate

Front 14

Do end papers for a perm need to be absorbent?

Back 14

Yes

Front 15

What wrapping technique blends parting lines?

Back 15

Brick layer

Front 16

Any solution that falls between 0 and 6.9 on the pH scale is ____________?

Back 16

Acidic

Front 17

When the perm solution makes its own heat it is called ________________________?

Back 17

Exo thermaic

Front 18

In perming, are there disulfide bonds broken?

Back 18

Yes

Front 19

The hair's ability to stretch and return without breaking is called __________?

Back 19

Elasticity

Front 20

Are disulfide bonds the strongest of the three types of side bonds?

Back 20

Yes