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The search for new cosmetic preservatives

In May, Bocchi Laboratories recalled its Medline Remedy Essentials No-Rinse Cleansing Foam, used to wash hospital patients. Burkholderia cepacia, a Gram-negative bacteria complex that can lead to serious respiratory infections in immune-compromised individuals, had contaminated the preparation. The U.S. Food & Drug Administration warned of a possible life-threatening infection, and the Centers for Disease Control & Prevention confirmed 15 illnesses in hospitalized patients. FDA’s cosmetic recall database lists a half-dozen other cases of contaminated cosmetics since June. The recalls involved batches of baby wash, body care products, and tattoo inks with high levels of potentially harmful microbial organisms. Among the contaminants were infection-causing Enterobacter aerogenes and Pseudomonas aeruginosa. FDA doesn’t disclose the reasons for the contamination, but faulty preservatives could be involved. Without preservatives, many personal care products would be hospitable breeding grounds for bacteria, fu...