
SODIUM ISOPROPYLPARABEN
Description
Sodium isopropylparaben is a synthetic preservative commonly used in cosmetics and personal care products to prevent microbial growth and extend shelf life. This paraben derivative is the sodium salt of isopropylparaben, offering enhanced water solubility compared to its parent compound. It exhibits broad-spectrum antimicrobial activity against bacteria, yeasts, and molds, making it effective at low concentrations typically ranging from 0.01% to 0.3%.
The ingredient functions by disrupting microbial cell membranes and inhibiting cellular processes, thus preventing contamination in formulations. Sodium isopropylparaben is often used in combination with other preservatives for synergistic effects and improved efficacy across various pH ranges. It demonstrates stability in most cosmetic formulations and is compatible with a wide array of ingredients.
While effective, sodium isopropylparaben has faced scrutiny due to concerns about potential endocrine disruption and skin sensitization. Regulatory bodies, including the FDA and EU Commission, have deemed it safe at current usage levels in cosmetics. However, ongoing research continues to evaluate its long-term effects and potential alternatives. Formulators should consider consumer preferences and regulatory guidelines when incorporating this preservative into skincare and personal care products.