Stability Testing for Personal Care and Cosmetic Products

Personal care and cosmetic product stability testing ensures that novel or modified products meets physical, chemical and microbiological quality standards.

Intertek personal care and cosmetic product stability testing helps ensure the product's functionality and aesthetics are not adversely impacted during its intended shelf life and consumer use. Testing can be undertaken under controlled accelerated or real-time conditions. 

Appropriate testing helps ensure:

  • Stability and physical integrity of the products under appropriate conditions for storage transport and use.
  • Chemical stability
  • Microbiological activity
  • Compatibility between the product and packaging employed
Beauty Product Stability Testing: 
  • Accelerated conditions (Temperatures and Relative Humidity)
  • Freeze Thaw studies
  • Durability testing
  • Photostability studies
    • Accelerated Light
    • Resistance to UV radiation
  • Period after opening
The conditions that can be employed include: room temperature light, room temperature dark, 30ºC, 37ºC, 44ºC, and freeze thaw. Various physical characteristics can be monitored e.g. microbiology, pH, viscosity, appearance / colour and odour. These properties can be compared against a control sample. When appropriate, additional chemical testing can be employed to monitor the level of active ingredients for example, vitamins, sunscreens. Testing protocols can be designed to fulfil the specific needs of the client covering a wide range of products and applications. 
 
Need help or have a question? +1 905 542 2900
 

Need help or have a question?

+1 905 542 2900
France
+33 2 32 09 36 36
APAC:
+852 2173 8888
UK/EIRE:
+44 (0)116 263 0330