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05.08.2020 - hygiene

Stability testing of cosmetic products

Article 3 of the EU Cosmetics Regulation (EC) No 1223/2009 requires that cosmetic products must be safe for the consumer. This also includes sufficient stability, which is demonstrated in the safety report. 

Questions regarding the stability of emulsions include, for example, whether phase separation occurs or components settle.

Accordingly, product-specific investigation parameters are established. In addition to the storage period at the appropriate temperature, this includes the chemical/chemical-physical examination (pH value, density, viscosity, acid/peroxide number) as well as descriptive sensory analysis.

Do you need help regarding the storage stability of your product? Contact us! Our customer advisors are happy to provide you with assistance.