The field of nail technology has undergone many changes as new technologies have developed and new issues have emerged. This fourth edition of the text, Milady's Art and Science of Nail Technology, has been thoroughly revised to include the most up-to-date information available to nail technologists as well as updated supplementary materials for the student and instructor. In addition, this updated text incorporates recommendations from state boards of cosmetology, classroom instructors, school owners, manufacturers, and practitioners. Their helpful suggestions will make learning easier for students, simplify teaching for instructors. This new edition will ensure greater success for students taking the state board examinations, and provide greater protection for nail salon clients. Presented in a clear, user-friendly format that helps students learn the common links between the concepts and principles of nail technology, this text is designed to provide students with the knowledge and skills required to pass state licensing exams, as well as to perform professional nail technology services. Drawing on the combined expertise of 13 industry leaders, educators, and artists, this revised textbook gives students a thorough understanding of all aspects of nail technology today.