This colorful Study Guide helps students recognize, understand, and retain the key concepts presented in each chapter of Milady's Standard Cosmetology. Student-lead exercises minimize assistance from the educator. The Essential Companion provides six easy-to-follow features - Essential Objectives, Essential Subjects, Essential Concepts, Essential Exercises, Essential Review, and Essential Notes - that enable students to identify, comprehend, and retain the key concepts necessary for success in licensure and the professional environment.