Science
Mechanism of Action
As an aminopolycarboxylic acid, it acts as a molecular magnet for polyvalent metal ions like calcium, magnesium, and iron. By forming stable, water-soluble complexes with these minerals, it prevents them from catalyzing the oxidation of lipids and fragrances, while simultaneously depriving microorganisms of the metallic nutrients they need to thrive.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 Clinical data is currently limited as this ingredient is utilized for its functional stabilizing properties rather than direct biological skin effects.
Transparency
Dusting Analysis
This is a functional additive used at very low concentrations to maintain formula stability; it is not typically marketed as an active ingredient, making 'dusting' irrelevant to its application.
The Formula
Formulation
Stability
While stable across a wide pH range (up to 9.0), it is most effective in skincare when aligned with the skin's natural acidic mantle. Often utilized in its salt form for enhanced solubility.
Synergies
- Preservative systems
- Antioxidants
Conflicts
- Strong oxidizing agents
- Excessive concentrations of free metal ions
Safety
Safety Profile
Recent CIR assessments (2020-2021) requested further data on manufacturing impurities and dermal toxicity to finalize a safety conclusion.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An essential functional stabilizer that protects the integrity of complex formulas by neutralising destabilising metal ions.
Related
Similar Ingredients
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References
Sources