Preservation efficacy testing of cosmetics and pharmaceuticals (challenge test)
The preservative efficacy test is a test to confirm the preservative effect of cosmetics and pharmaceuticals. Various standard tests are conducted according to the Japanese Pharmacopoeia (JP), United States Pharmacopoeia (USP), European Pharmacopoeia (EP), Chinese Pharmacopoeia (PPRC), ISO 11930, and others. Additionally, we propose testing methods tailored to the type of product, its intended use, and application methods.
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basic information
Price information
Inquiries *Please contact us as it depends on the type and number of samples.
Delivery Time
※5 to 6 weeks
Applications/Examples of results
[Test Method] After pre-culturing the test samples, the prepared test microbial solution is inoculated into each sample. After a certain period of time, the viable cell count is measured to evaluate the preservation efficacy.
Company information
At our center, we not only conduct tests as specified by JIS and other regulations, but we also propose testing methods that suit the purpose of the tests. We capture the entire problem for problem-solving and provide practical advice.
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