Science
Mechanism of Action
Sorbitan Tristearate functions by significantly reducing the interfacial tension between immiscible oil and water phases, thereby creating and stabilizing emulsions. This foundational action ensures the integrity and uniform distribution of ingredients within a product. Beyond its primary role in emulsification, it refines the sensorial attributes of formulations and contributes to the skin's barrier function by reducing moisture evaporation.
Research
Clinical Evidence
Low confidence5%
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Exhibits chemical stability under normal conditions, effectively stabilizing emulsions even at elevated temperatures. However, its ester bonds are susceptible to hydrolysis in highly acidic or alkaline environments, potentially necessitating additional stabilizing agents in such formulations.
Conflicts
- strong oxidizing agents
- highly acidic conditions
- highly alkaline conditions
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded Sorbitan Tristearate, along with other sorbitan esters, to be safe for use in cosmetic ingredients. It is also classified as GRAS (Generally Recognized As Safe) by the FDA as a food additive (E492). It presents a low risk of skin irritation and is considered skin-friendly at recommended concentrations up to 10%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Sorbitan Tristearate is a valuable functional ingredient for precision skincare, contributing to formulation stability and texture with a low risk of irritation or comedogenicity, thereby supporting the optimal delivery of active components.
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