Science
Mechanism of Action
This ingredient operates as a synthetic non-ionic surfactant, reducing surface tension to facilitate the creation of stable emulsions in formulations. Its nonoxynol component provides emulsifying and solubilizing properties. The incorporated iodine suggests potential antiseptic activity, though its specific efficacy on skin is not detailed.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
As a stable ethoxylated alkylphenol, Nonoxynol-12 Iodine maintains chemical integrity. However, formulators should be vigilant regarding the potential presence of unreacted nonylphenol, especially with lower molecular weight variations.
Safety
Safety Profile
The CIR Expert Panel indicates insufficient specific data for iodinated nonoxynols, having previously removed 'Nonoxynol-9 Iodine' from review due to a lack of information. While other non-iodinated nonoxynols (e.g., -9, -10, -12) are considered safe in cosmetics if formulated to be non-irritating, this assessment does not directly extend to the iodinated form. The ingredient holds a GRAS (Generally Recognized as Safe) designation by the US FDA, but this is specific to food additives in household cleaners, not skincare applications. There is no available SCCS review.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Due to insufficient specific safety data for its use in cosmetic skincare and its primary application in household cleaning products, this ingredient is considered to have insufficient data for evaluation in precision skincare formulations.
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References
Sources