Science
Mechanism of Action
This ingredient forms a three-dimensional gel network within the lipid phase, increasing viscosity. On the skin, it creates a breathable hydrophobic barrier, preventing moisture loss, and absorbs surface oils to act as an opacifying and anticaking agent.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Insoluble in water and alcohol; it dissolves in organic solvents and vegetable oils when heated (approx. 150°C) for gelling. It decomposes with hot mineral acids or strongly acidic environments.
Conflicts
- Hot mineral acids
- Strong oxidizing agents
- Strongly acidic environments
Safety
Safety Profile
Reaffirmed as safe by the CIR Expert Panel in 2001 and 2019, with negligible dermal absorption. Safety is predicated on formulation to be non-irritating.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Aluminum Stearate is a valuable formulation aid, safely enhancing product texture, longevity, and skin barrier function with low irritancy and comedogenicity.
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