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PEG-3 TRIMETHYLOLPROPANE TRIACRYLATE.

Questionable CAS 28961-43-5 / BINDING, FILM FORMING

PEG-3 Trimethylolpropane Triacrylate is a synthetic polymer derivative primarily utilized in cosmetics for its binding and film-forming properties. It aids in ingredient cohesion within formulations and creates a continuous film on skin, hair, or nails.

Summary

Binding agent Film forming

Science

Mechanism of Action

This ingredient functions by acting as a binding agent, facilitating the stable integration of various cosmetic components. Additionally, it forms a continuous, protective film upon application to skin, hair, or nails, contributing to texture and hold.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

The ingredient, particularly due to its acrylate structure, shares stability concerns with its parent compound, Trimethylolpropane Triacrylate. It is hygroscopic, sensitive to light, and incompatible with strong oxidizing agents, acids, and bases. Exposure to direct sunlight and heat can induce spontaneous polymerization, often necessitating the inclusion of polymerization inhibitors during storage and formulation.

Conflicts

  • strong oxidizing agents
  • acids
  • bases
  • heat
  • direct sunlight

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

No specific safety assessment from the Cosmetic Ingredient Review (CIR) Expert Panel or the EU's Scientific Committee on Consumer Safety (SCCS) is available for PEG-3 TRIMETHYLOLPROPANE TRIACRYLATE. A closely related compound, Trimethylolpropane Triacrylate (without the PEG-3 ethoxylation), is prohibited in cosmetic products within the EU due to its classification as a Carcinogenic, Mutagenic, or Reprotoxic (CMR) substance. While PEG-3 TRIMETHYLOLPROPANE TRIACRYLATE is not currently listed with EU restrictions, PEGs generally are excluded from organic cosmetic certifications due to their petrochemical origin and the potential for trace contamination with 1,4-dioxane during manufacturing. Although general PEG compounds are often considered safe when properly formulated, the absence of specific review for this particular derivative and the regulatory status of its parent compound warrant caution.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Questionable

Due to the absence of specific safety assessments for PEG-3 Trimethylolpropane Triacrylate, combined with the EU's prohibition of its non-ethoxylated parent compound as a CMR substance and general concerns regarding PEG impurities, its use in precision skincare is questionable.

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