Science
Mechanism of Action
TEGDMA functions as a monomer and cross-linking agent in polymerization processes, forming durable polymers or copolymers. On a cellular level, it can disrupt metabolic activity and damage cell membranes. It is also implicated in stimulating melanocyte dendricity, compromising immune responses, inducing oxidative stress and DNA damage, impairing mitochondrial function, and altering cell cycle and immune gene expression.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 Induced higher cytotoxicity and significant morphological alterations, including increased dendricity, in primary human melanocytes. Cell membrane damage and diminished metabolic activity were observed at concentrations exceeding 0.028632%.
- 02 Cultured Peripheral Blood Mononuclear Cells (PBMCs) secreted significantly higher levels of proinflammatory cytokines, including GRO-α, IL-1β, IL-6, IL-8, IL-18, and TNF-α, upon exposure.
- 03 In human THP-1 monocytes, this concentration upregulated proteins associated with stress and oxidative stress. At 0.07158%, diminished cell viability and a proteomic profile linked to oxidative stress, DNA damage, and mitochondrial dysfunction were observed.
- 04 Demonstrated significant cytotoxicity to OCCM.30 cementoblasts, reducing cell viability by approximately 91.67%.
Transparency
Dusting Analysis
Triethylene Glycol Dimethacrylate lacks beneficial skincare properties and is primarily recognized for industrial and dental applications, making 'dusting' for cosmetic claims irrelevant. Its primary concern is sensitization and irritation rather than under-dosing for efficacy.
The Formula
Formulation
Stability
This ingredient exhibits significantly better stability at neutral or slightly acidic pH, with an estimated aqueous base-catalyzed hydrolysis half-life of 16 years at pH 7 compared to 1.6 years at pH 8. It is light-sensitive and prone to polymerization upon light exposure. Recommended storage is at 2-8°C.
Conflicts
- Light
- Free radical initiators
- Iron
- Rust
- Strong bases
- Metallic copper (if not stabilized with hydroquinone/pyrogallol)
- Other chemicals without proper knowledge (due to potential dangerous reactions)
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Triethylene Glycol Dimethacrylate is safe for use in nail enhancement products only when skin contact is strictly avoided, due to its significant sensitizing potential. It is known to cause skin irritation and eye damage. There are no direct consumer uses or recognized benefits for this ingredient in general skincare applications.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Due to its established sensitizing potential, capacity to cause skin and eye irritation, and documented cytotoxicity at low concentrations in various cell types, Triethylene Glycol Dimethacrylate should be avoided in direct skin care applications.
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References
Sources