ISO 11930:2019 PET Test

ISO 11930:2019 cosmetic preservative efficacy test (PET)

This Preservative Efficacy Test (PET) or cosmetic challenge test, is essential for assessing the safety of water based cosmetic products. ISO 11930 is specifically designed with cosmetic products in mind.

Which ISO Test?

How long?

Test Procedure

EP USP ISO
UK
EU
USA
World

EP, USP or ISO standard PET test?

EP USP ISO
Incubation (days) 28 28 28
Sample required (g) 250 250 250
Total Species 4/5 5 5
Staphylococcus aureus
Pseudomonas aeruginosa
Candida albicans
Aspergillus brasiliensis
Escherichia coli

PET test details

ISO 11930