Sent by JessicaEditor: My guess is that this milk is ultra high temperature pasteurized (UHT). This keeps milk shelf-stable and "fresh" for several months when stored in an airtight container at room temperature (much like this organic milk). The carrageenan is likely there as a thickener to make the cream easier to whip. In short, the milk is definitely safe to use, but it also depends on how your feel about UHT-treated milk. Here's a little more info:
Readers, what do you think? Have you tried this whipping cream?
Related: What Is Vat Pasteurized Milk?