Science
Mechanism of Action
This amphiphilic molecule reduces surface tension to effectively emulsify oils and debris into micelles for easy rinsing. Furthermore, it organizes micellar structures within a solution to increase thickness and prevent the collapse of air bubbles, resulting in a richer lather.
Research
Clinical Evidence
Medium confidence5%
Key findings
- 01 A 2011 CIR assessment analyzed diethanolamides, establishing that these ingredients are safe for use in both leave-on and rinse-off applications when formulated to minimize irritation potential.
Transparency
Dusting Analysis
Typically utilized at functional levels between 0.5% and 7% to achieve desired texture; concentrations below 0.5% in surfactant-heavy products likely offer no tactile benefit.
The Formula
Formulation
Stability
Demonstrates excellent stability in neutral to alkaline environments; 10% solutions typically gravitate toward a pH of 9.5-10.5.
Synergies
- Primary anionic surfactants
- Amphoteric surfactants
Conflicts
- Nitrosating agents (e.g., Bronopol, Sodium Nitrite)
- Formaldehyde donors
- Nitrites
Safety
Safety Profile
Formula must be free of nitrosating agents to prevent the formation of carcinogenic nitrosamines. Raw material purity should limit free Diethanolamine (DEA) to less than 0.5%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An effective texture enhancer and foam stabilizer for rinse-off cleansers, provided the formulation avoids specific nitrogen-containing preservatives.
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References
Sources