Science
Mechanism of Action
As an alkyl polyglucoside, it reduces the surface tension between the skin and environmental impurities, allowing oils and dirt to be emulsified and rinsed away. Its molecular structure allows it to stabilize oil-in-water emulsions while simultaneously providing a mild hydrating effect that prevents post-cleansing xerosis.
Research
Clinical Evidence
High confidence5%
Key findings
- 01 A CIR Expert Panel evaluation confirmed that concentrations between 0.5% and 2.0% were at most slightly irritating in epicutaneous and soap chamber tests.
- 02 A 5% concentration study on baby bath products identified only slight ocular irritation, significantly lower than many other surfactant classes.
- 03 Sensitization trials at 5% concentration showed zero reactive potential, confirming its suitability for reactive skin.
Transparency
Dusting Analysis
Decyl Glucoside is rarely 'dusted' because it is a primary or secondary functional cleanser; however, levels below 0.5% in a rinse-off product are likely insufficient for effective surfactant action.
The Formula
Formulation
Stability
While a 10% solution naturally maintains a pH of 7.0–9.5, the molecule remains stable in low pH formulations often required for acid-based cleansers.
Synergies
- Cocamidopropyl Betaine
- Glycerin
- Lauryl Glucoside
Conflicts
- Concentrations above 5% in leave-on emulsions can destabilize cream bases by competing with primary emulsifiers.
Safety
Safety Profile
Safe for use in concentrations up to 33% in rinse-off products provided the final formulation is tested for irritation. Rare cases of contact allergy have been documented in extremely sensitized individuals.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An elite, non-stripping cleanser that balances high-performance purification with a superior safety profile for sensitive skin.
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References
Sources