Science
Mechanism of Action
It functions by inducing mild coagulation of skin proteins and constricting tissues, facilitating water removal from the application site. This action reduces inflammation, itching, and exudation, particularly in wet skin lesions.
Research
Clinical Evidence
High confidence0.5%
Key findings
- 01 The FDA designates 0.13%-0.5% as the approved concentration range for OTC skin protectants, effective as an astringent.
- 02 Studies indicate extremely low systemic absorption of aluminum following topical application, averaging 0.0094%.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Most stable in acidic conditions (pH 3.8-4.6); typically requires stabilization with boric acid to prevent aluminum hydroxide precipitation. Stable at room temperature.
Conflicts
- Strong oxidizing agents
- Alkali hydroxides
- Carbonates
- Phosphates
Safety
Safety Profile
While CIR has not reviewed it, FDA permits its use up to 0.5% in OTC skin protectants. SCCS deems aluminum compounds generally safe in non-sprayable cosmetics, and it is not classified as a CMR substance.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An FDA-approved topical astringent with mild antimicrobial properties, valuable for managing minor skin irritations, especially on oily and normal skin, due to its efficacy and low absorption rate.
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