Characteristics
- INCI
- Imidazolidinyl Urea
- CAS
-
39236-46-9
This is the substance number in the Chemical Abstracts Service registry. The CAS number uniquely identifies a substance regardless of language, trade name, or synonyms.
- EC
-
254-372-6
This is the substance number in the European chemical identification system (EC number), used in European regulatory databases including ECHA/CosIng.
- IUPAC
- N,N'-Methylenebis[N'-[3-(Hydroxymethyl)-2,5-Dioxoimidazolidin-4-Yl]Urea]
- Functions
- preservative
- EU Restr.
-
V/27
EU regulatory status: restricted use. The ingredient is permitted in EU cosmetics but its use and labelling are regulated.
More detail →
Для кого подходит
Description
Imidazolidinyl Urea is a preservative used in cosmetics and personal care products to help keep formulas free from unwanted microbial growth. It works by releasing small amounts of formaldehyde over time, which is why it’s effective at protecting products with water in them, such as lotions, shampoos, conditioners, and makeup. It doesn’t provide a direct skin or hair benefit in the way an active ingredient would, but it helps the product stay stable, safe to use, and less likely to spoil.
People who use liquid, creamy, or rinse-off products may encounter it often, especially in formulas that need broad preservation. For most users, it serves a behind-the-scenes role rather than a visible treatment effect. That said, some people prefer to avoid it because formaldehyde-releasing preservatives can be irritating for sensitive skin or for those with a known allergy to formaldehyde or related preservatives. If you’re reactive to fragranced or preservative-heavy products, it may be worth checking labels carefully.
Found in products (1 608 total)
Наиболее часто встречается в продукции Oriflame (133 продуктов)