Rising to the challenge

Preservative efficacy testing

Utilize our Preservative Efficacy Testing during your formulation development phase to gain greater understanding of the microbiological risk of your formulation.

Free, easy and direct support

When formulating with Evonik Dr. Straetmans’ antimicrobials, we will support you in your product development journey, zero charge!

Comprehensive and reliable results

Testing is executed using the European Pharmacopeia 5.1.3 Testing Method*

  • Initial analysis for days 2, 7, and 14 included
  • Final report upon completion of the 28 day test

*Testing of ISO 11930, USP 51, PCPC are available upon request

SImple Submission in 3 Steps

  1. Complete Application Form
  2. Upon acceptance be prepared to ship 150g of your sample

Please ensure all samples are submitted in a leak-proof chemical container.

Evonik Dr. Straetmans Antimicrobials

Under the trade name dermosoft®, Evonik Dr. Straetmans has developed a range of multifunctional antimicrobial additives which became a synonym for pioneering inventions that are meanwhile established market standards. The antimicrobial activity of these multifunctional ingredients can be used as a secondary benefit to complement and support the preservation of cosmetic products.

Guideline Formulations

Explore our prototype formulations in our database. There you will find numerous examples for the application of our portfolio.