The 9th edition of Harry's Cosmeticology is available as a 3 volume set containing over 2600 pages of new information. 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" of selected chapters that can be used as a reference guide for a particular subject area. This focus book covers: PART 3 THE SUBSTRATES - PART 3.1 - THE SKIN: STRUCTURE, BIOCHEMISTRY, AND FUNCTION - Bozena "Bo" B. Michniak-Kohn - Amy S. Pappert - Philip Wertz - Nripen...