Chapter 20 Chemical Texture Services

[Pages:79]Chapter 20 Chemical Texture Services

? Copyright 2012 Milady, a part of Cengage Learning. All Rights Reserved. May not be scanned, copied, or duplicated, or posted to a publicly accessible website, in whole or in part.

"Results! Why, man, I have gotten lots of results. I know several thousand things

that won't work."

? Thomas A. Edison

? Copyright 2012 Milady, a part of Cengage Learning. All Rights Reserved. May not be scanned, copied, or duplicated, or posted to a publicly accessible website, in whole or in part.

Objectives

? Explain the structure and purpose of each of the hair's layers.

? Explain the chemical actions that take place during permanent waving.

? Explain the difference between an alkaline wave and a true acid wave.

? Explain the purpose of neutralization in permanent waving.

? Copyright 2012 Milady, a part of Cengage Learning. All Rights Reserved. May not be scanned, copied, or duplicated, or posted to a publicly accessible website, in whole or in part.

Objectives (continued)

? Describe how thio relaxers straighten the hair. ? Describe how hydroxide relaxers straighten the hair. ? Describe curl re-forming and what it is best used for.

? Copyright 2012 Milady, a part of Cengage Learning. All Rights Reserved. May not be scanned, copied, or duplicated, or posted to a publicly accessible website, in whole or in part.

Chemical Texture Services

? Cause a chemical change that alters the natural wave pattern of the hair

? Allow you to offer clients a variety of styling options not otherwise available

? Copyright 2012 Milady, a part of Cengage Learning. All Rights Reserved. May not be scanned, copied, or duplicated, or posted to a publicly accessible website, in whole or in part.

Alter Wave Patterns

? Curl straight hair ? Straighten overly curly hair ? Soften coarse, straight hair

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Types of Services

? Permanent waving: adding wave or curl to hair ? Relaxing: removing curl, leaving hair smooth and free ? Curl re-forming: loosening overly curly hair into softer

curls or waves

? Copyright 2012 Milady, a part of Cengage Learning. All Rights Reserved. May not be scanned, copied, or duplicated, or posted to a publicly accessible website, in whole or in part.

Hair Structure

? Cuticle: tough outer layer of hair; surrounds the inner layers and protects hair from damage

? Copyright 2012 Milady, a part of Cengage Learning. All Rights Reserved. May not be scanned, copied, or duplicated, or posted to a publicly accessible website, in whole or in part.

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