Imidazolidinyl Urea

(in 3,934 products)

1. Antimicrobial Preservative - Actively kills and inhibits the growth of unwanted microorganisms which may be harmful.

"Imidurea is an antimicrobial preservative used in cosmetics. It acts as a formaldehyde releaser." [1]

May release Formaldehyde under aqueous conditions, such as in contact with water or in humid conditions. [2]

Please see 'Formaldehyde' for further details.

1. PubChem: https://pubchem.ncbi.nlm.nih.gov/compound/38258

2. Investigation on formaldehyde release from preservatives in cosmetics (Int J Cosmet Sci. 2015 Oct;37(5):474-8. DOI: 10.1111/ics.12212)

1. South Korea - Ministry of Food and Drug Safety - Prohibited/Restricted Chemicals

- Ref: 875

2. Japan - Ministry of Health, Labour and Welfare - Restricted Ingredients

- N,N”-Methylenebis[N’-(3-hydroxymethyl-2,5-dioxo-4-imidazolidinyl)urea]

3. Hong Kong Consumer Council

- Imidazolidinyl Urea - Formaldehyde Releaser

4. EU CosIng Annex V, PRESERVATIVES ALLOWED IN COSMETIC PRODUCTS [2017]

- Ref: V/27

5. Association of Southeast Asian Nations Annex VI, Allowed Preservatives

- 3,3’-Bis(1-hydroxymethyl-2,5-dioxoimidazolidin-4-yl)-1,1’-methylenediurea (“Imidazolidinyl urea”)