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HYDROXYETHOXYETHYL UREA.

Valuable CAS 23194-10-7 / HAIR CONDITIONING, SKIN CONDITIONING, SKIN PROTECTING

Hydroxyethoxyethyl Urea is a versatile humectant engineered to attract and bind moisture within the skin, significantly improving hydration and reducing transepidermal water loss. Its presence supports a reinforced skin barrier, leading to a visibly plumper and more resilient complexion.

Summary

Moisturizer Humectant Skin-conditioning

Science

Mechanism of Action

As a low-molecular-weight and highly water-soluble humectant, Hydroxyethoxyethyl Urea effectively draws ambient moisture into the stratum corneum, substantially increasing skin moisture content. This mechanism not only combats dryness but also strengthens the skin's natural protective barrier, thereby preventing moisture evaporation and shielding the skin from environmental aggressors. The result is improved skin suppleness and a more youthful appearance.

Research

Clinical Evidence

High confidence
Effective range 1–10%
Optimal

5%

Key findings

  1. 01 Demonstrates moisturizing capabilities on par with glycerin, providing the additional benefit of a non-sticky and non-tacky feel upon application.
  2. 02 Identified as the highest reported concentration utilized in leave-on moisturizing formulations, excluding spray products.
  3. 03 This range is generally recommended for effective incorporation into a variety of personal care products.

Transparency

Dusting Analysis

Not commonly dusted

No available research data indicates that Hydroxyethoxyethyl Urea is commonly 'dusted' or provides specific thresholds for such practices in cosmetic formulations.

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 8
0 7 14

Stability

Typically supplied as an aqueous solution, this highly water-soluble and hygroscopic solid exhibits stability within a pH range of 5.0 to 8.0. Its inclusion can also contribute to enhanced cold stability in emulsion systems.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
20.6%
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel concluded Hydroxyethoxyethyl Urea is safe for use in cosmetics at concentrations up to 20.6% in leave-on moisturizing products, provided the final formulations are non-irritating. While initial studies noted slight irritation in rabbit skin, it faces no restrictions under European Union cosmetic regulations. The FDA Voluntary Cosmetic Registration Program (VCRP) monitors its use frequency in cosmetic products.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Hydroxyethoxyethyl Urea is a valuable humectant, delivering effective, non-sticky hydration and robust barrier support suitable for all skin types, with a high safety profile when incorporated into non-irritating formulations.

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