Other
DMDM Hydantoin
A widely used formaldehyde-releasing preservative, effective at preventing microbial growth but increasingly avoided in clean beauty formulas.
preservativeantimicrobialformaldehyde-releaser
✓ Safe
Comedogenic Rating
0/5
Irritation Potential
0/5
What is it?
DMDM Hydantoin is one of the most commonly used formaldehyde-releasing preservatives in cosmetics, working by gradually releasing small amounts of formaldehyde to inhibit microbial growth.
Used across many rinse-off and some leave-on formulas to maintain product safety and extend shelf life.
Key Benefits
Reliable antimicrobial protection
Effectively prevents bacterial and fungal contamination.
Suitable for
Main Actions
When it may be insufficient
As a formaldehyde-releaser, it can be a concern for sensitized individuals and is commonly excluded from "clean beauty" formulations.
Frequently Asked Questions
What does DMDM Hydantoin do for skin?
Used across many rinse-off and some leave-on formulas to maintain product safety and extend shelf life.
Who should use DMDM Hydantoin?
DMDM Hydantoin is suitable for: most skin types; those with known formaldehyde sensitivity should avoid.
Are there any warnings about DMDM Hydantoin?
As a formaldehyde-releaser, it can be a concern for sensitized individuals and is commonly excluded from "clean beauty" formulations.
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