Science
Mechanism of Action
This ingredient functions as a tetrafunctional acrylic monomer that readily undergoes free radical polymerization, specifically under UV or electron beam radiation. This process creates a dense, crosslinked polymer structure, which imparts properties such as enhanced abrasion resistance, hardness, adhesion, and forms a durable film. Compared to Trimethylolpropane Triacrylate, it features a lower acrylic content, which can minimize shrinkage during curing and improve the elasticity and toughness of the resulting material.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
Ditrimethylolpropane Tetraacrylate is a structural monomer and film-forming agent, not an active ingredient typically 'dusted' at high concentrations for specific skin benefits. Its primary function is in the physical properties of a cured formulation.
The Formula
Formulation
Stability
This monomer demonstrates moderate hydrolysis, with half-life times at 25°C of approximately 76 days at pH 7 and 80 hours at pH 9. For optimal stability, it requires storage in a sealed, dry environment at room temperature, protected from both light and heat. Stabilization can be achieved through the addition of monomethyl ether of hydroquinone (MEHQ).
Conflicts
- Peroxides
- Free radical producing initiators
- Reactive metals
- Alkalis (exothermic reaction)
- Strong acids
- Strong bases
Safety
Safety Profile
Ditrimethylolpropane Tetraacrylate has not undergone specific review by the Cosmetic Ingredient Review (CIR) Expert Panel. However, similar methacrylate ester monomers have been identified as having sensitizing potential, necessitating avoidance of skin contact in applications like nail enhancement products. GHS classifications indicate it causes skin irritation (H315) and serious eye irritation (H319), and may cause respiratory irritation (H335). While some animal studies reported no skin sensitization potential up to 2.5% concentration, local irritation via dermal exposure and systemic toxicity via oral exposure were observed. It is also classified as toxic to aquatic life with long-lasting effects (H411), and is listed by AICIS and flagged by EPA TSCA as a Pre-Manufacture Notice substance.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Due to its documented potential for skin and eye irritation, lack of specific CIR safety review for skincare applications, and primary use in industrial curing processes, Ditrimethylolpropane Tetraacrylate is not recommended for precision skincare formulations.
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