100Ium Levulinate vs Propylparaben
100Ium Levulinate and Propylparaben are both keeps the product fresh ingredients. 100Ium Levulinate is found in 1 product while Propylparaben appears in 101, making Propylparaben the more widely used option.
100Ium Levulinate
Keeps the product fresh
Propylparaben
Paraben preservative