Science
Mechanism of Action
This compound primarily functions by delivering Pyrrolidone Carboxylic Acid (PCA) to the skin. PCA is a fundamental element of the skin's Natural Moisturizing Factor (NMF), which is crucial for maintaining skin hydration. It actively binds water molecules, effectively drawing moisture from the environment and retaining it within the stratum corneum. The methyl silanol component contributes to its overall skin conditioning properties, further supporting the skin's barrier function and moisture balance.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Methylsilanol PCA is soluble in water. PCA and its salts generally exhibit stability across a broad range of temperatures and pH values; for instance, a Sodium PCA product shows stability between pH 6.8-7.4.
Conflicts
- N-nitrosating agents (to prevent the formation of N-nitroso compounds)
Safety
Safety Profile
The CIR Expert Panel has deemed PCA and its salts, including Methylsilanol PCA, safe for cosmetic use within formulations. A critical restriction applies: these ingredients must not be used in products where N-nitroso compounds could potentially form. Animal studies indicated Sodium PCA, a related derivative, was non-irritating to the eye and skin at concentrations up to 50%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Methylsilanol PCA is a valuable hydrating agent, contributing to the skin's NMF for enhanced moisture retention across all skin types, with a safe profile when formulated correctly.
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