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DMDM Hydantoin

Rating: Bad
Categories: Preservative

DMDM Hydantoin Description

DMDM hydantoin is a synthetic, formaldehyde-releasing preservative that has mixed research on its potential to aggravate skin. Despite its connection to formaldehyde, the Cosmetic Ingredient Review Board has confirmed the safety of this preservative in three separate reviews, each spaced several years apart.
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DMDM Hydantoin References

Medocyna Pracy, Volume 66, Issue 3, 2015, pages 327-332
Contact Dermatitis, January 2010, pages 18-31
http://www.cosmeticsinfo.org/ingredient/dmdmhydantoin
Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding usage constraints, permitted concentration levels and availability vary by country and region.