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