healthy hair, Pantene, Head & Shoulders, Procter & Gamble, P&G, Beauty Science, hair health The World of Hair

an on-line reference by Dr. John Gray,
provided by the P&G Hair Care Research Center.
For more beauty science, please visit
www.pg.com


  Hair Care Research - Introduction to Hair - P&G Hair Products   Hair Care Index

Hair Care - Table of Contents

 
Introduction 1

1.

Hair

4
Human hair 4
Variations in human hair 7
Hair structure 11
Hair strength 18
Hair dimensions 18
The hair growth cycle 20
Hair patterns 26
The physical properties of hair 32
Hair types 36
Dry or greasy hair? 54
Hair color 58

2.
Hair Care 65
Hair condition 65
Hair damage 67

3.
Cosmetic hair treatments 79
Hair styling
79
Perming hair 80
Changing hair color 88
Coloring hair 91

4.
Cosmetic hair problems 96
Green hair
97
Bubble hair 97
Hair spray accumulation 98
Matting and tangling: bird's nest hair 99

5.
Hair and scalp disorders 100
Hair loss
101
Scalp disorders 113

6
Hair care products 116
Hair shampoos 116
Hair conditioners 119
'2-in-1' shampoos 119
Hair styling products 119
Hair care routines 122

7
The Science of Styling - Long Lasting Volume 140
Factors Influencing Hair Volume 141
How To Get Long - Lasting Volume 144
Styling Products 146
Styling Ingredients 148
Fun Facts 149

Hair Care Index
150
                       
  Hair Care Research - Introduction to Hair - P&G Hair Products   Hair Care Index