Hi aebbingh,
Welcome … and I’m glad the site could help you :).
You may have seen this already but just in case you haven’t … post #2 here has more information about natural, organic, green, “chemical free”, “eco friendly”, and safe materials that can help you “sort out” some of the marketing information and terminology that you will encounter and may help you to decide on the types of materials you are most comfortable having in your mattress.
Phoenix