Science
Mechanism of Action
As a nonionic surfactant, Octoxynol-12 reduces the interfacial tension between immiscible liquids, thereby facilitating the creation and maintenance of stable emulsions in cosmetic formulations. This property allows for uniform dispersion of oil and water components. Its surface tension-reducing capabilities also assist in effective cleansing, enabling water to more efficiently interact with and remove oils and dirt. Additionally, its longer chain structure supports the solubilization of ingredients that may not otherwise dissolve readily in a given solvent.
Research
Clinical Evidence
Medium confidence1.5%
Transparency
Dusting Analysis
No specific data regarding 'dusting' or overuse beyond typical functional concentrations is available within the provided research.
The Formula
Formulation
Stability
Optimal formulation stability for Octoxynol-12 is observed within a pH range of 5.0 to 8.0.
Conflicts
- Strong oxidizing agents
- Strong reducing agents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded Octoxynol-12 is safe as used in both rinse-off and leave-on cosmetic products, contingent upon its formulation being non-irritating. The maximum reported concentration for use in leave-on face and neck products (non-spray) was 1.5% in 2022. It is critical to minimize trace impurities such as 1,4-dioxane, ethylene oxide, and unreacted C9 phenols in cosmetic formulations due to potential safety concerns.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Octoxynol-12 is a valuable ingredient, primarily serving as an emulsifier and cleansing surfactant, deemed safe for use up to 1.5% in leave-on products when precisely formulated to be non-irritating.
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References
Sources