This issue of Chem Matters magazine from December 1993 is a great addition to any collection. It offers valuable insights into the world of chemistry and its practical applications. The publication month and year are December 1993, making it a vintage item that will transport readers back in time to the early days of chemistry research. The magazine covers a variety of topics that are still relevant today, including the chemistry of food additives, the science of cosmetics, and the role of chemistry in industry. It is well-written and easy to understand, making it a great resource for students and professionals alike. Whether you are a collector or simply interested in chemistry, this issue of Chem Matters is a must-have.