1-Methylhydantoin-2-Imide vs Methyl Paraben
1-Methylhydantoin-2-Imide and Methyl Paraben are both keeps the product fresh ingredients. 1-Methylhydantoin-2-Imide is found in 8 products while Methyl Paraben appears in 4, making 1-Methylhydantoin-2-Imide the more widely used option.
1-Methylhydantoin-2-Imide
Keeps the product fresh
Methyl Paraben
Paraben preservative