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Cosmetic Testing

Challenge Testing

An important part of the development of cosmetic products is demonstrating it is safe for use and is not at risk of microbiological contamination during its shelf life. To evaluate the effectiveness of the antimicrobial preservatives, a quantity of known strains of microorganisms are inoculated into the product and tested over 28 days. The survival or growth of the microorganisms will determine the quantity of preservative system and the safety of the final product in the consumer market.

Routine Testing

 Routine testing of cosmetics ensures quality between batches and provides trending data for manufacturers to become microbiologically familiar with their products. Routine testing can be performed on finished products and raw materials. SMS are able to troubleshoot microbiological issues and analyse rejected batches of product to determine the causal factors. Routine testing usually comprises of Total Viable Count, Yeast and Mould testing.

Detection Testing

 For cosmetic products, the detection of skin pathogens such as Staph aureus, Pseudomonas aeruginosa and Candida albicans is relevant, as they are indicators of hygienic failure during the manufacturing process. SMS can offer detection testing for various bacteria and yeast.

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