When testing a cosmetic or personal care product for shelf-life and stability, the packaging is a major factor to be considered. While the product itself may have a relatively stable shelf-life when tested in glass or another temporary package, the same stability may not be observed in the actual product packaging. It is important to run stability testing in the packaging intended for marketing due to interactions that may occur between the package, the product and the environment. Glass, being the least reactive material, does not react with cosmetic products in any way. Therefore, your stability study with Cosmetic Test Labs will be run in both the product packaging and in glass to determine if the cause of product spoilage is due to the formula itself, or package compatibility with the formula.

Moisture loss through the packaging is another common problem. It is important to verify that the package chosen will offer the protection needed to prevent this as it may lead to unpleasent changes in the product. Demonstrating how the product will react to certain conditions while in the package will help to determine what conditions are best for proper storage of your product. For instance, products that degrade with exposure to light or moisture will need to be stored in such a way that will prevent them from exposure, unless the packaging can demonstrate sufficient protection from those conditions. Packages that are easily damaged should be avoided as this can cause a product to spoil from microbial or chemical changes.

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An EPA and FDA GLP-compliant testing organization staffed by skilled, experienced microbiologists and chemists.  Microchem can help speed your project to completion.

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