3. Extraction methods and sample preparation
The diversity and complexity of cosmetic matrices make it more difficult to extract and dose the active ingredients of interest. What's more, as the market for cosmetic raw materials continues to diversify and expand, revising and improving active ingredient extraction and sample preparation techniques remains a constant challenge.
In fact, around two-thirds of the time spent identifying and/or assaying a substance is devoted to this extraction or sample preparation stage , which is why...
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Extraction methods and sample preparation
Analysis methods
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