Science
Mechanism of Action
This ingredient operates by significantly reducing the interfacial tension between diverse components, enabling the seamless integration of aqueous and lipophilic ingredients into a stable emulsion. Its solubilizing properties facilitate the uniform distribution of otherwise insoluble substances within a solvent. Furthermore, it enhances cleansing processes by promoting the emulsification of oils and particulate matter, allowing for efficient rinsing from skin and hair.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel determined SORBETH-50 PENTAISOSTEARATE, alongside 79 other polysorbates, to be safe for use in cosmetics, provided formulations are nonirritating. Although this specific ingredient was not reported in current use at the time of the assessment, its safety profile is covered by the group evaluation. For context, other polysorbates within this group have been reported at maximum use concentrations of up to 11.9% in leave-on products (e.g., perfumes) and 21.9% in rinse-off cleansing products (e.g., shower gels).
Your Skin
Skin Compatibility
Our Assessment
Verdict
SORBETH-50 PENTAISOSTEARATE is a valuable functional ingredient for creating stable cosmetic emulsions and enhancing ingredient solubility, deemed safe by CIR when properly formulated, despite limited specific use data.
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References
Sources