This revised edition is completely updated with respect to both theory and the practice of barber- styling. The information contained in this book has been prepared to allow great flexibility and adaptability to whatever routine is followed in a salon setting. It details the science of hair, all the tools, implements, and equipment used in the profession as well as step-by-step practical techniques to executing cuts, styles, and various services for professional success. The newest information on sanitation and disinfection has been included based on state board requirements and OSHA rulings, with a new chapter on first aid procedures to provide a safe environment for clients. There is updated information on hair replacement procedures and an expanded haircutting chapter. This includes 4 basic haircutting elevations, expanded clipper cutting and cutting "curly" hair techniques, and new illustrations on traditional taper (required for practical state board exams). An expanded section on clipper cleaning, alignment and maintenance tips has also been added and a new table of products has been included with pH levels and effects as well as information on neutralizing shampoos.