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SODIUM METHYLPARABEN

Description

Sodium methylparaben is a widely used preservative in skincare and cosmetic formulations, functioning as an antimicrobial agent to inhibit the growth of bacteria, yeasts, and molds. This synthetic compound is the sodium salt of methylparaben, derived from para-hydroxybenzoic acid. It is particularly effective in maintaining product stability and extending shelf life in water-based formulations.

With a molecular formula of C8H7NaO3, sodium methylparaben is highly soluble in water and exhibits optimal efficacy in slightly acidic to neutral pH environments. Its preservative action is attributed to its ability to disrupt microbial cell membranes and inhibit cellular metabolism. Typically used at concentrations between 0.01% to 0.3%, it offers broad-spectrum protection against various microorganisms.

While sodium methylparaben is considered safe by regulatory bodies when used within recommended limits, some concerns have been raised regarding potential endocrine disruption and skin sensitization in a small percentage of individuals. However, extensive research supports its safety profile at current usage levels. Its efficacy, cost-effectiveness, and compatibility with a wide range of ingredients make sodium methylparaben a popular choice in skincare formulations, especially in products requiring robust preservation systems.