1-Methylhydantoin-2-Imide vs Methy Propolparaben
1-Methylhydantoin-2-Imide and Methy Propolparaben are both keeps the product fresh ingredients. 1-Methylhydantoin-2-Imide is found in 8 products while Methy Propolparaben appears in 1, making 1-Methylhydantoin-2-Imide the more widely used option.
1-Methylhydantoin-2-Imide
Keeps the product fresh
Methy Propolparaben
Paraben preservative