Preservative efficacy testing
Antimicrobial efficacy testing category
Preservative efficacy testing
Assessment of antimicrobial protection and preservative efficacy in formulations subjected to a defined microbial challenge.
Available test methods
Preservative efficacy tests assess whether a formulation is adequately protected against a defined microbial challenge. Different test methods are available depending on the product type, study objective and applicable testing requirements. Testing provides a microbiological assessment in accordance with the selected method and does not replace regulatory product approval.
DIN EN ISO 11930
Assessment of the antimicrobial protection of cosmetic products using a preservative efficacy test.
Learn morePh. Eur. 5.1.3
Assessment of preservative efficacy using a defined test procedure and specified microbiological acceptance criteria.
Learn moreUnsure which method is suitable?
We can advise you on the appropriate assessment for your formulation and help you select a suitable test method to evaluate its preservative efficacy.