Science
Mechanism of Action
This ingredient functions as a nonionic surfactant, effectively lowering surface tension to enhance and stabilize foam production in water-based systems. It is also a potent viscosity modifier, thickening the aqueous phase of products, and an emulsion stabilizer, ensuring uniform mixing of oil- and water-soluble components. Additionally, Lauramide DEA provides antistatic properties and aids in the emulsification and removal of dirt and grease.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
Lauramide DEA exhibits clear functional roles in formulations, including surfactant activity, foam boosting, and viscosity control, indicating its inclusion for active performance rather than 'dusting' purposes.
The Formula
Formulation
Stability
A 1% solution of Lauramide DEA typically presents a pH range of 9.0-11.0. It demonstrates stability in neutral, moderately alkaline, or moderately acidic environments. However, it is prone to hydrolysis when subjected to high concentrations of strong mineral acids or alkalis.
Conflicts
- Nitrosating agents (due to potential formation of carcinogenic nitrosamines)
- Strong oxidizing agents
- High concentrations of mineral acids or alkali
- Strong reducing agents (risk of flammable gas formation)
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel deems Lauramide DEA safe for use, provided formulations are non-irritating and free diethanolamine (DEA) levels remain below safe thresholds. Crucially, it must not be co-formulated with nitrosating agents to prevent the generation of potentially carcinogenic nitrosamines. The European Union imposes stricter controls, limiting its use to a maximum secondary amine concentration of 0.5% and outright prohibiting its inclusion in nitrosating systems. While the FDA does not prohibit Lauramide DEA itself, it advises consumers to scrutinize labels for DEA-related ingredients, as prolonged exposure to Diethanolamine (DEA) has been associated with cancer and organ toxicity, classifying DEA as a potential carcinogen. Furthermore, some regulatory bodies discourage its use in leave-on products due to extended skin exposure times.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Despite its functional benefits as a surfactant and foam booster, Lauramide DEA is associated with significant safety concerns, including the potential for carcinogenic nitrosamine formation and stringent regulatory restrictions, making it an unsuitable choice for precision skincare formulations.
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References
Sources