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PEG-15 TRIMETHYLOLPROPANE TRIACRYLATE.

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

PEG-15 Trimethylolpropane Triacrylate functions as a binding agent, maintaining product cohesion, and a film-forming agent, creating a continuous protective layer on skin or nails. Its specialized triacrylate structure facilitates robust film development through cross-linking reactions.

Summary

Film-forming Binding

Science

Mechanism of Action

This ingredient operates by serving as an effective binding agent, crucial for maintaining the structural integrity and cohesion of powdered formulations. Concurrently, it creates a continuous, protective film upon application to the skin, hair, or nails. The inherent triacrylate molecular arrangement enables its participation in cross-linking polymerization, particularly when exposed to UV or electron beam radiation, thereby contributing to durable film formation.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

The compound exhibits chemical stability at standard ambient temperatures. However, exposure to light or elevated heat may induce polymerization. It is frequently stabilized with hydroquinone monomethyl ether (MEHQ) to prevent premature spontaneous polymerization.

Conflicts

  • Strong oxidizing agents
  • Strong acids
  • Strong bases
  • Brass
  • Copper
  • Steel (all types and surface treatments)
  • Iron and iron salts

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk High

While PEG-15 TRIMETHYLOLPROPANE TRIACRYLATE has not undergone specific safety review by the Cosmetic Ingredient Review (CIR) or Scientific Committee on Consumer Safety (SCCS), its foundational component, Trimethylolpropane Triacrylate (TMPTA), is designated as a Class 2 carcinogen by the European Chemicals Agency (ECHA) as of December 1, 2023. Furthermore, the International Agency for Research on Cancer (IARC) classifies TMPTA as Group 2B, indicating it is possibly carcinogenic to humans, and it is listed under California's Proposition 65 as a known carcinogen. Dermal studies in animal models also reported that TMPTA led to dose-dependent hyperplastic, vacuolar degenerative, and necrotizing epidermal lesions.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Avoid

Given that its core component, Trimethylolpropane Triacrylate, is classified as a potential carcinogen by multiple regulatory bodies and exhibits high irritancy, this ingredient is strongly advised against for use in precision skincare formulations.

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