"Hair Structure and Chemistry Simplified, 4th Edition," is the only chemistry guide a stylist needs to ensure safe, consistent, professional results. This comprehensive guide addresses all current issues related to hair services and provides comprehensive information on the newest products on the market. Addressing the fundamental concepts of chemistry as they apply to salon products and services, this book includes the latest technological advances in cosmetic science. This revised edition includes new artwork, an expanded glossary and index, and a list of key terms with phonetic pronunciations. Hair Structure and Chemistry Simplified, 4th Edition, is user-friendly and easy to apply.Schoon, Douglas D. is the author of 'Hair Structure And Chemistry Simplified Workbook ', published 2001 under ISBN 9781562536305 and ISBN 1562536303.