Sparta, NJ, November 21, 2025
MPL Laboratories, a leading provider of microbiological and analytical testing services for pharmaceuticals, cosmetics, personal care items, and other consumer products, offers insights into some of the most frequent bacterial contaminants responsible for product recalls in the non-food sector.
Bacterial contamination remains one of the top reasons for product recalls. The laboratory highlights several bacterial species that pose significant quality and safety risks if present in finished goods:
- Burkholderia cepacia complex (Bcc) – Commonly associated with recalls of liquid pharmaceuticals, this group of bacteria thrives in aqueous environments and can persist even in preserved formulations. It presents risks to immunocompromised individuals.
- Pseudomonas aeruginosa – Frequently linked to topical medications, hand sanitizers, and cosmetic products, this opportunistic pathogen can cause skin, eye, and respiratory infections.
- Ralstonia pickettii – Noted for contaminating purified water systems and sterile products, R. pickettii can survive standard filtration and disinfection processes if not properly controlled.
- Staphylococcus aureus – A common skin and environmental microorganism, S. aureus contamination in topical creams, lotions, or wound care products can lead to serious health consequences.
- Escherichia coli – While primarily associated with food safety, E. coli contamination in personal care or pharmaceutical products is a critical red flag for manufacturing hygiene and water quality issues.
Even trace levels of microbial contamination can compromise product integrity and consumer safety. Regular microbiological testing, both of raw materials, production surfaces, and final products, is essential to maintain compliance and prevent costly recalls.
MPL Laboratories offers comprehensive microbiological testing services, including microbial enumeration, pathogen screening, preservative efficacy testing, and environmental monitoring. The company partners with manufacturers across the pharmaceutical, cosmetic, and consumer product industries to ensure compliance with FDA and USP <61>/<62> microbiological quality standards.
To learn more about product testing services, please visit www.MPLLaboratories.com, call (800) 548-1874, or email info@MPLLaboratories.com.
About MPL Laboratories
MPL Laboratories (formerly Marypaul Laboratories) was founded in 1985 as a full service microbiology laboratory. It is ISO/IEC 17025 accredited by PJLA, FDA, and DEA registered. MPL’s staff includes a Ph.D. Diplomat of the American Board of Toxicology, M.S. and B.S. degreed microbiologists, along with other dedicated scientific personnel. The microbiology testing laboratory serves the pharmaceutical, cosmetic, and personal care product industries. MPL strives to provide its clients with reliable, defensible test data delivered in a timely manner. The laboratory is part of the EMSL Analytical network of laboratories across the United States and Canada.
