Science
Mechanism of Action
This ingredient operates by forming a subtle, occlusive film on the skin's surface, which effectively reduces excessive transepidermal water loss, thereby providing an indirect yet significant moisturizing benefit. It rapidly absorbs into the skin without leaving a shiny residue, imparting a smooth, velvety after-feel. Furthermore, Isotridecyl Stearate contributes to skin health by filling microscopic gaps among surface cells and reinforcing the lipid barrier, which in turn aids the skin's natural capacity to maintain hydration, promoting a smooth and plump appearance. Its unique chemical structure also ensures superior lubricity and contributes to refined product textures.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Isotridecyl Stearate exhibits robust hydrolytic and thermal stability, characteristic of a saturated mono-ester, featuring a high flash point. It maintains its structural integrity and performance under typical heat and processing conditions, ensuring stability during recommended storage. Specific pH data for the ingredient is not consistently available.
Conflicts
- Strong oxidizing agents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed alkyl esters, including Isotridecyl Stearate, safe for cosmetic use when formulated to be non-irritating. It is generally recognized for its biocompatibility and is well-tolerated, with a low propensity for causing skin irritation. According to GHS classifications, this chemical does not meet hazard criteria in 96.7% of all reported instances. Its usage aligns with guidelines from regulatory bodies such as the U.S. Food and Drug Administration (FDA) and the European Union's Cosmetics Regulation, and it holds 'ACTIVE' status under EPA TSCA Commercial Activity.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Isotridecyl Stearate is a valuable emollient, highly compatible with all skin types and well-tolerated, providing efficient moisturization and a desirable velvety texture without shine.
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References
Sources