Cosmetics Microbiology & PET Testing 

For 25+ years, Certified Laboratories has been helping companies ensure the safety and integrity of their cosmetics, OTC, and personal care products with advanced microbiology lab testing.

From Preservative Efficacy Testing (PET), to microbial-limits testing, to specialized pathogen identification, we cover all your microbiology testing needs.

Submit the form to tell us about your project needs. 

Safeguard Your Cosmetic Products

Cosmetics Microbiology Testing Services

Certified Laboratories is cGMP/GLP-compliant and adheres to 21 CFR 111 subpart J and ISO 17025 standards. Our cosmetics microbiology testing services are listed below. Contact us if you need a custom solution.

ISO Methods

  • Plate Count
  • Enrichment

USP <60> 

  • Burkholderia cepacian complex (BCC) 
  • Water-born opportunistic pathogens 
  • Presence/Absence 

USP <61> 

  • “Bioburden” or “Microbial Limits Testing”
  • Determines Enumeration 
  • Acceptance Criteria on USP 1111 

USP <62> 

  • Staph aureus, Pseudomonas, Salmonella, Bile-tolerant Gram-Negative, Clostridia, Candida Albicans
  • Enrichment 

USP <64>

  • Probiotic enumeration

Additional Testing

  • Aloe Vera
  • Antibacterial
  • Antifungal
  • Antimicrobial
  • Kill Rate
Additional Testing
  • Microbial ID
  • Mold Testing
  • Preservative Design
  • Preservative Efficacy (PET)
  • Presence/Absence
  • Product Safety
  • Stability
  • Sterility
  • Suitability
  • Total Aerobic Plate Count
  • Total Yeast and Mold Count
  • Water Testing

Don’t see the test you need? Contact us today and we’ll help you find a solution.

About Certified Laboratories 

 At Certified Laboratories, we specialize in comprehensive laboratory testing for the cosmetics, over-the-counter (OTC), dietary supplements, botanicals, and other regulated industries. Our commitment is to provide competitive turnaround times coupled with precise results, bolstering your product safety and quality programs. 

As a Certified Group Company, we go beyond testing – our services extend to regulatory consulting, label reviews, and industry-specific training, making us your single-source provider for all the services essential to your success. 

Top-Notch Service

24/7 online access to your CoA

ISO/IEC 17025-accredited labs

30+ labs to serve you

Robust Quality Control Program ensures accurate, high-quality results

Competitive turnaround time

cGMP/GLP-compliant 

Ready to Start Your Test?