How can I tell if my product contains natural or synthetic colors? Episode 128

Just about everyone has been puzzled about how "natural" certain products are. This is especially true of color cosmetics because not very many of the colorants used in makeup are truly natural.  In today's encore presentation, we discuss a quick history of cosmetic colorants, tell you where colorants come from, and explain the difference between organic, inorganic, and synthetic colors.   Click here for the show notes.