Science
Mechanism of Action
It functions by mildly coagulating skin proteins, constricting tissues, and drawing water via osmotic flow. This action reduces swelling, irritation, and discharge from weeping lesions.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 The FDA recognizes 0.13% - 0.5% aluminum acetate as Generally Recognized as Safe and Effective (GRASE) for OTC topical astringent use against minor skin irritations.
- 02 Higher concentrations, such as 13% in Burow's solution, have demonstrated efficacy in reducing bacterial discharge, including MRSA, in ear solutions.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Aqueous solutions are generally unstable, prone to decomposition and sediment formation. Stabilization is often achieved with alpha-hydroxy carboxylic acids or boric acid.
Conflicts
- Alkali metal hydroxides
- Carbonates
- Phosphates
- Heavy metal salts
- Strong oxidizing agents
Safety
Safety Profile
The FDA limits topical OTC astringent concentrations to 0.13-0.5%. While CIR has not specifically reviewed aluminum acetate, related aluminum compounds have been evaluated.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Aluminum acetate is a valuable astringent, FDA-recognized for its efficacy in soothing minor skin irritations and managing excess oil without causing significant irritation.
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References
Sources