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BENZALKONIUM BROMIDE

Description

Benzalkonium bromide is a quaternary ammonium compound widely used in skincare and pharmaceutical formulations for its potent antimicrobial properties. This synthetic ingredient belongs to the family of cationic surfactants and acts as a preservative and disinfectant in various topical products.

The molecular structure of benzalkonium bromide consists of a positively charged nitrogen atom bonded to alkyl groups and a bromide counterion. This configuration enables it to disrupt microbial cell membranes, effectively combating bacteria, fungi, and some viruses. Its broad-spectrum activity makes it particularly valuable in products requiring extended shelf life and protection against contamination.

In skincare, benzalkonium bromide is commonly found in concentrations ranging from 0.01% to 0.2%, depending on the formulation and intended use. It is utilized in cleansers, toners, and medicated creams, especially those targeting acne-prone skin. While effective, it may cause irritation in some individuals, particularly those with sensitive skin or compromised skin barriers.

Regulatory bodies, including the FDA and EMA, have approved benzalkonium bromide for use in various topical applications, acknowledging its efficacy and safety profile when used as directed.