Science
Mechanism of Action
As a cationic surfactant, it carries a positive charge that is electrostatically attracted to the negatively charged proteins on the skin and hair surface. This attraction allows it to anchor to the stratum corneum, creating a smoothing conditioning layer that reduces friction, neutralizes static, and improves the skin's tactile softness.
Research
Clinical Evidence
High confidence3%
Key findings
- 01 A human repeat insult patch test (HRIPT) confirmed that concentrations of 2.4% are non-sensitizing to the skin.
- 02 Safety assessments by the CIR found no evidence of irritation at 5.0% in both rinse-off and leave-on applications.
- 03 Clinical evaluations of body lotions containing 1-5% concentration demonstrated no dermal irritation even in subjects with compromised skin barriers.
Transparency
Dusting Analysis
While it can be used at 0.1% as a preservative, its primary functional benefits for skin texture and conditioning typically require concentrations above 1.0%.
The Formula
Formulation
Stability
A waxy solid with a high melting point of approximately 90°C; it requires heating in the oil phase. It is stable within a pH range of 5.0 to 8.0 and acts as an effective co-emulsifier.
Synergies
- Fatty alcohols (Cetyl/Stearyl)
- Non-ionic surfactants
Conflicts
- Anionic surfactants (e.g., Sodium Lauryl Sulfate)
- Strong oxidizing agents
- High electrolyte or salt concentrations
Safety
Safety Profile
In the EU, concentration is restricted to 3.0% for leave-on facial products and 5.0% for rinse-off hair products.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An excellent conditioning agent for enhancing the sensory profile and moisture-retention capabilities of high-performance emulsions.
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