1-Methylhydantoin-2-Imide vs Sodium Methylparaben
1-Methylhydantoin-2-Imide and Sodium Methylparaben are both keeps the product fresh ingredients. 1-Methylhydantoin-2-Imide is found in 7 products while Sodium Methylparaben appears in 4, making 1-Methylhydantoin-2-Imide the more widely used option.
1-Methylhydantoin-2-Imide
Keeps the product fresh
Sodium Methylparaben
Paraben preservative