Science
Mechanism of Action
It acts as a co-emulsifier that reduces surface tension between oil and water phases, preventing product separation. On the skin, it forms a lightweight occlusive layer that significantly reduces Trans-Epidermal Water Loss (TEWL) and enhances the 'slip' and spreadability of the formulation.
Research
Clinical Evidence
High confidence5%
Key findings
- 01 A Cosmetic Ingredient Review (CIR) assessment at 3.0% concentration confirmed zero signs of irritation or sensitization in human dermal trials.
- 02 Maximization tests on related long-chain fatty alcohols at concentrations up to 12.0% demonstrate a lack of allergenic potential, confirming its suitability for reactive skin.
Transparency
Dusting Analysis
As a functional texture enhancer and stabilizer, it is rarely 'dusted' for marketing purposes; its presence typically indicates a necessary role in the formula's viscosity and stability.
The Formula
Formulation
Stability
Must be incorporated into the heated oil phase (60-70°C). It is highly stable across a wide pH range and serves to thicken oil-in-water emulsions.
Synergies
- Non-ionic surfactants
- Glycerin
- Plant oils
Conflicts
- Strong oxidizing agents
- High concentrations of ethanol (which may compromise its soothing effect)
Safety
Safety Profile
Recognized by the FDA as a safe food additive and permitted in 'alcohol-free' labeled products because it lacks the drying characteristics of ethanol.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An indispensable, non-sensitizing stabilizer that provides critical moisture retention and superior sensory application for all skin types.
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References
Sources