Dimethylol Urea

INCI: DIMETHYLOL UREA

CAS Number
| 10
Function
Preservative (antimicrobial via formaldehyde release)
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
๐Ÿ‡บ๐Ÿ‡ธ US Status prohibited
US Notes Banned โ€” listed by FDA as formaldehyde releaser in the proposed cosmetics ban; already prohibited in Washington State

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Formaldehyde is CMR 1B (carcinogen) under CLP; global regulatory trend toward elimination; US FDA ban pending; EU labeling threshold lowered to 10 ppm (from 500 ppm) with compliance deadline July 2026; not recommended for new product development

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Concern Level: High

Regulatory Flags

preservative

Frequently Asked Questions

Is Dimethylol Urea safe in cosmetics?

Formaldehyde is CMR 1B (carcinogen) under CLP; global regulatory trend toward elimination; US FDA ban pending; EU labeling threshold lowered to 10 ppm (from 500 ppm) with compliance deadline July 2026; not recommended for new product development The EU classifies Dimethylol Urea as "restricted". Safety rating: POOR.

Is Dimethylol Urea allowed in the EU?

Dimethylol Urea EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Dimethylol Urea do in cosmetics?

Dimethylol Urea functions as: Preservative (antimicrobial via formaldehyde release). It is classified as a cosmetic ingredient in our database. CAS number: | 10.

What is the Margin of Safety for Dimethylol Urea?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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