
A beginner’s guide to cosmetic stability testing
Accelerated, real-time, freeze-thaw and compatibility: what each one actually proves.
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Accelerated, real-time, freeze-thaw and compatibility: what each one actually proves.
Read the guide
A batch record is the complete history of one batch. Written during manufacture, it is the only document that can recons…
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A COA says what a material is and how it performed. An SDS says what hazards it carries. Requesting the wrong one is a c…
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A retained sample is the physical evidence of what a batch actually was. It settles complaints, supports investigations …
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In-process checks are measurements taken during manufacture, before the batch is finished. They catch problems while the…
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A microbial specification is a set of limits, a method and a sampling plan. The number alone does not tell you whether a…
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