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BUTYLPARABEN

Description

Butylparaben is a widely used preservative in cosmetic and pharmaceutical products. This synthetic compound belongs to the paraben family and is derived from para-hydroxybenzoic acid. Its primary function is to prevent the growth of bacteria, fungi, and other microorganisms, thereby extending the shelf life of various formulations.

Chemically, butylparaben is characterized by its butyl ester group attached to a hydroxybenzoic acid molecule. This structure grants it moderate lipid solubility, allowing for effective penetration into microbial cell membranes. Butylparaben exhibits broad-spectrum antimicrobial activity, particularly against gram-positive bacteria and molds.

In skincare formulations, butylparaben is typically used in concentrations ranging from 0.01% to 0.4%. It is often combined with other parabens or preservatives to enhance overall efficacy. While generally considered safe for use in cosmetics by regulatory bodies, some concerns have been raised regarding potential endocrine disruption at high concentrations.

Butylparaben's stability across a wide pH range and compatibility with most cosmetic ingredients make it a versatile preservative option. However, formulators should be aware of increasing consumer preference for paraben-free products and consider alternative preservation systems when developing new skincare formulations.