Science
Mechanism of Action
Upon application, Stearyl Acetate forms a fine, non-occlusive film on the skin's surface. This barrier aids in minimizing transepidermal water loss, contributing to sustained hydration and a noticeably smoother, more supple feel. It precisely conditions the skin, maintaining its optimal state.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
As an ester, Stearyl Acetate may undergo hydrolysis, particularly at extreme pH values (highly acidic or alkaline environments). Its alcoholic component, stearyl alcohol, is noted for its stability across varied pH levels.
Conflicts
- Strong oxidizing agents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has assessed Stearyl Acetate, as part of the broader group of stearyl alkanoates, concluding it is safe for use in cosmetic formulations when products are formulated to be non-irritating. The safety assessment implies a safe concentration limit based on 'as used' concentrations, though a specific maximum percentage for Stearyl Acetate has not been explicitly stated.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Stearyl Acetate is a valuable ingredient, offering beneficial emollient and skin conditioning properties with a low risk of irritation or comedogenicity, suitable for a wide range of skin types.
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References
Sources