Table of Contents Preface . .......................................................................................................i Chapter 1: The Structure and Chemistry of Human Hair J. Alan Swift ........................................................................................1 Chapter 2: Hair Development, Growth, and Loss Yuhang Zhang, PhD, and Chao-Chin Yang, MD . .........................39 Chapter 3: Shampoo and Conditioner Science Robert Y. Lochhead. ..........................................................................75 Chapter 4: Hair Coloring Jennifer M. Marsh . ......................................................................... 117 Chapter 5: Changing the Shape of Hair R. Randall Wickett, PhD. ...............................................................157 Chapter 6: Hair Ethnicity Harold Bryant and Crystal E. Porter. ............................................193 Chapter 7: Mechanical Properties of Hair R. Randall Wickett, PhD. ...............................................................223 Chapter 8: Hair Breakage Trefor Evans.....................................................................................251 Chapter 9: Image Analysis Tools to Quantify Visual Properties of Hair Fiber Assemblies Roger L. McMullen..........................................................................295 Chapter 10: Adsorption Properties of Hair Trefor Evans.....................................................................................333 Chapter 11: Hair Damage Crisan Popescu . ..............................................................................367 Chapter 12: Dandruff and Seborrheic Dermatitis James R. Schwartz, Yvonne M. DeAngelis, and Thomas L. Dawson, Jr.............................................................389