Science
Mechanism of Action
This ingredient acts as a broad-spectrum antimicrobial agent, specifically inhibiting the proliferation of bacteria, yeasts, and molds. By controlling microbial contamination, it ensures the stability and safety of water-based skincare and cosmetic products throughout their intended shelf life.
Research
Clinical Evidence
High confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Exhibits robust stability across a broad pH range from 3.0 to 11.0 under typical storage and use conditions. It resists hydrolysis in both hot and cold water, as well as in acidic solutions. However, it is not long-term stable in strongly alkaline aqueous solutions and can hydrolyze under such conditions. The recommended maximum handling temperature is 80°C.
Conflicts
- Strong oxidizing agents
- Highly alkaline materials
- Acidic materials
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has affirmed its safety for use in cosmetic products. While typical usage concentrations range from 0.01% to 0.3%, the SCCS deems it safe up to 0.4% when used alone and up to 0.8% in preservative mixtures. Sodium Methylparaben is also listed on the FDA's Generally Regarded As Safe (GRAS) list.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Sodium Methylparaben is a valuable and widely approved synthetic preservative, crucial for ensuring the stability and microbial safety of a vast range of cosmetic and skincare formulations.
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References
Sources