Preservative efficacy testing or PET, antimicrobial effectiveness testing, efficacy testing to prove product does as it claims allowing use of those claims for packaging and marketing. Testing companies in South Africa
Below is the 1 company that The Buyer's Guide recommends:
AECI Specialty Chemicals, Consumer Speciality Division, offers a full basket of ingredients from first class international suppliers sourced globally into the Personal Care, Homecare, Pharmaceutical and Industrial Markets.