Phone: +372 503 0197 | E-mail:



Cosmetics and skin care products


Standardized and non-standard microbiological testings for cosmetics and skin care products. Our services include accredited methods.
For further information and inquiries please contact This email address is being protected from spambots. You need JavaScript enabled to view it..


Detection of specified and non-specified microorganisms in a cosmetic product:

EN ISO 21149 Enumeration and detection of aerobic mesophilic bacteria

EVS-EN ISO 21149:2017

Enumeration and detection of aerobic mesophilic bacteria

Price request

EN ISO 16212 Enumeration of yeast and mould

EVS-EN ISO 16212:2017

Enumeration of yeast and mould

Price request

EN ISO 21150 Detection of Escherichia coli

EVS-EN ISO 21150:2015

Detection of Escherichia coli

Price request

EN ISO 22717 Detection of Pseudomonas aeruginosa

EVS-EN ISO 22717:2015

Detection of Pseudomonas aeruginosa

Price request

EN ISO 22718 Detection of Staphylococcus aureus

EVS-EN ISO 22718:2015

Detection of Staphylococcus aureus

Price request

EN ISO 18416 Detection of Candida albicans

EVS-EN ISO 18416:2015

Detection of Candida albicans

Price request


Testing the efficacy of cosmetic product's preservative system:


EN ISO 11930 (Challenge test)

EN ISO 11930 (Challenge test)
  • EVS-EN ISO 11930:2019
  • Preservation test. Evaluation of the antimicrobial protection of a cosmetic product

  • Testorganisms:

    • Pseudomonas aeruginosa, ATCC 9027
    • Staphylococcus aureus, ATCC 6538
    • Escherichia coli K12, NCTC 8739
    • Candida albicans, ATCC 10231
    • Aspergillus brasiliensis (Previously A.niger), ATCC 16404
  • Minimal product quantity: 200 g

  • Approximate duration of the test: 32 days

  • We offer also an in-house method for screening if the product in development has a possibility of meeting acceptance criteria of EN ISO 11930.
    Minimal product quantity: 40 g
    Approximate duration of the test: 8 days

    Price request

    Nordic Tersus Laboratory OÜ

    Phone: +372 503 0197


    EN ISO/IEC 17025:2017, accreditation certificate L263