Sodium Levulinate:

Sodium Levulinate is the sodium salt of Levulinic Acid. Levulinic Acid is a derivative of corn.  It functions as a skin-conditioning agent and a preservative.

Can be found in the following O Naturals Products: Rosehip Day Cream, Rosehip NIght Cream, Rosehip Face Serum, Hemp & Shea Body Butter