EU cosmetic limits

Diazolidinyl Urea in EU cosmetics: Annex V, entry 46

Source: Regulation (EC) No 1223/2009, consolidated textRetrieved 2026-11-05Independent information site: we are not the authority and not the source of the data.

Diazolidinyl Urea: the maximum concentration in ready for use preparation is 0,5 %. Annex V, entry 46, Regulation (EC) No 1223/2009, consolidated 18 May 2026.

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Annex
V: List of preservatives allowed in cosmetic products
Reference number
46
Chemical name/INN
N-(Hydroxymethyl)-N-(dihydroxymethyl-1,3-dioxo-2,5-imidazolidinyl-4)-N'-(hydroxymethyl) urea
Name of Common Ingredients Glossary
Diazolidinyl Urea
CAS number
78491-02-8
EC number
278-928-2
Version
Consolidated version of 18 May 2026
Official source
Regulation (EC) No 1223/2009, consolidated text

Official wording: restrictions

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