Science
Mechanism of Action
As a surfactant, STEARETH-5 operates by significantly lowering the interfacial tension between disparate components, enabling the stable incorporation of both oil and water into a cohesive emulsion. On the skin, its surface-active properties diminish the stratum corneum's surface tension, facilitating the efficient removal of impurities and environmental debris.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
As a polyoxyethylene stearyl ether, STEARETH-5's solubility is precisely influenced by its ethoxylation degree ('5'), balancing oil-soluble and water-soluble characteristics critical for effective emulsification. Related Steareth ingredients exhibit robust stability across a broad pH spectrum, suggesting a comparable pH resilience for STEARETH-5.
Conflicts
- strong oxidizers
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that STEARETH-5, along with other Steareth ingredients, is safe for use in cosmetic formulations, provided products are designed to be nonirritating. Developmental, reproductive toxicity, and mutagenicity studies for these compounds have shown negative results. While small amounts of 1,4-dioxane (a byproduct) may be present, its levels can be controlled through purification processes. STEARETH-5 complies with general provisions for cosmetic use in the European Union.
Your Skin
Skin Compatibility
Our Assessment
Verdict
STEARETH-5 is a valuable ingredient for formulation stability and cleansing performance, offering effective emulsification and a favorable safety profile as determined by the CIR.
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