N-(Hydroxymethyl)-N-(dihydroxymethyl-1,3-dioxo-2,5-imidazolidinyl-4)-N'-(hydroxymethyl)urea is listed in Annex V of the EU Cosmetics Regulation (EC) 1223/2009 (preservatives allowed in cosmetic products).
The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.
Regulation
No restrictions found. Diazolidinyl urea appears in these published regulatory listings.
EUECallowed_listedAnnex V of EU Cosmetics Regulation (EC) 1223/2009: preservatives allowed in cosmetic products. Maximum concentration: 0.5%
Annex V of EU Cosmetics Regulation (EC) 1223/2009: preservatives allowed in cosmetic products. Maximum concentration: 0.5%Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 2400 composition records across product categories including Industrial products, Personal care, Food and drug. EPA CPDat classifies this chemical for functional uses including Preservative.
EPA CPDat observed this chemical in 2400 composition records across product categories including Industrial products, Personal care, Food and drug. EPA CPDat classifies this chemical for functional uses including Preservative.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 1 active drug products and 1 total products.
FDA NDC lists this ingredient in 1 active drug products and 1 total products.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
openFDA substance registry classifies this ingredient as mixture.Source →
Evidence
No graded sources yet for Diazolidinyl urea. We publish evidence only once a source is linked and reviewed — this ingredient is in the catalog, but has not been assessed.
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Food use
Food-use source coverage is present in the current record.
Good fit
The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.
Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
Good fit
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
Where it appears
Prevalence of Diazolidinyl urea in our catalog (epa_cpdat).
Products
2,400
Brands
6
Industrial productsPersonal careFood and drugRaw materialsArts and crafts/office supplies