Science
Mechanism of Action
This ingredient functions as an emollient by creating a fine, occlusive or semi-occlusive film on the skin's surface. This barrier significantly reduces transepidermal water loss (TEWL), thereby boosting skin hydration and contributing to a perceptibly smoother and softer skin texture.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
As an ester, Diisononyl Adipate is susceptible to hydrolysis, which can occur when exposed to extreme pH conditions. Specifically, strong acids and strong bases can cause breakdown, potentially generating heat.
Conflicts
- strong acids
- strong bases
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has assessed Diisononyl Adipate, along with related dicarboxylic acids, salts, and esters, concluding its safety within current cosmetic use practices and concentrations. No explicit maximum concentration was specified. While QSAR analysis indicated no skin sensitization potential and animal studies on rabbit skin showed no irritant effects, some safety data sheets mention a potential for mild skin irritation and serious eye irritation upon direct contact.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Diisononyl Adipate is a valuable emollient and skin conditioning agent, effectively improving skin hydration and texture with a robust safety profile.
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References
Sources