The new 9th edition of Harry's Cosmeticology is available as a 3 volume set containing over 2600 pages of new information on the recent changes in the cosmetic and personal care industry. Chemical Publishing is now offering key parts of the title for those interested in a particular subject area covered in the book. Harry's Cosmeticology 9th Edition has developed a new line of "Focus Books" for this purpose. Focus books are a series of selected chapters that can be used as a reference guide for a particular subject area. This focus book covers: Part 5 Anti-Aging - Part 5.0 Fundamentals of Skin Anti-Aging Overview - Navin M. Geria - Part 5.1 Theories of Aging: Skin Anti-Aging: At the Tipping Point - Navin M. Geria - Part 5.2 The Cellular Water Principle - Howard Murad, - Part 5.3 Anti-Senescence: Achieving the Anti-Aging Effect by Managing Cellular Functions - Shyam Gupta and Linda Walker - Part 5.4 Glycation, Proteasome Activation, and Telomere Maintenance - Karl Lintner - Part 5.5 Sirtuins and Skin -Edward Pelle and Nadine Pernodet - Part 5.6 Epigenetics of Skin Aging - Rebecca Gadberry - Part 5.7 Chronobiology of the Skin: Skin Circadian Rhythm and Clock Genes: A New Approach to Slowing Down the Aging Process - Edward Pelle and Nadine Pernodet - Part 5.8 Stress, Sleep and Epigenetic Orthodontics: New Directions for Non-Surgical Skin Anti-Aging - Part 5.8.2 Epigenetic Orthodontics and Dento-Facial Orthopedics: Non-surgical Facial Esthetic Therapy - Dr. Barry Chase -