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preservative

Diazolidinyl Urea

Características

INCI
Diazolidinyl Urea
CAS
78491-02-8
EC
278-928-2
IUPAC
1-[1,3-Bis(Hydroxymethyl)-2,5-Dioxoimidazolidin-4-Yl]-1,3-Bis(Hydroxymethyl)Urea
Funciones
preservative
Restricción de la UE.
V/46

Для кого подходит

Face Concern
▼ Acne ▼ Sensitive Skin ▼ Rosacea ▼ Eczema
Hair Concern
▼ Dandruff ▼ Flaky scalp ▼ Hair Loss ▼ Frizz ▼ Damage ▼ Split Ends ▼ Bleached Hair ▼ Color-Treated ▼ Hydration ▼ Scalp Health ▼ Sensetive Scalp
Application Area
▲ Face ▲ Body ▲ Hair ▲ Scalp ▲ Eyes ▲ Lips
Health Conditions
▼ Pregnancy

Descripción

An antimicrobial preservative that helps your products not to go wrong too quickly. It works especially well against bacteria, specifically gram-negative species, yeast, and mold.

Somewhat controversial, it belongs to an infamous family of formaldehyde-releasers. That is, it slowly breaks down to form formaldehyde when it is added to a formula. We have written more about formaldehyde-releasing preservatives and the concerns around them at Dmdm Hydantoin, but do not get too scared, those are more theories than proven facts.

As for Diazolidinyl Urea itself, a study from 1990 writes that at concentrations up to 0.4%, it was a mild cumulative skin irritant, but the CIR (Cosmetic Ingredient Review) reviewed it in 2006 and found that, in concentrations of <0.5%, it is safe as used, as the amount of formaldehyde released will be smaller than the recommended limit (of less than 0.2%).

All in all, it is up to your personal decision and skin sensitivity. 

Evidencia e investigación

Publicaciones científicas y fuentes 1
  • 1
    Liebert, M. A. "Final report on the safety assessment of diazolidinyl urea." J. Am. Coll. Toxicol 9 (1990): 229-245.
    Buscar en PubMed

Encontrado en productos (2 256 total)

Cabello
Cuidado facial
Sinónimos
Diazolidinyl Butylcarbamate Diazolidinyl Carbamide Diazolidinyl Urea (39,6%) Diazolidinyl Urea (And) Diazolidinyl Urea (Co-Preservative) Diazolidinyl Urea (Y) Diazolidinyl Urea Diazolidinyl Urea Diazolidinyl Urea(Formaldehyde) Diazolidinyl Urea* Diazolidinyl Urea◦