A practical guide to light stability testing of cosmetics & packaging.

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Cosmetic products see plenty of natural & artificial radiation:

  • under storage conditions (artificial light)
  • at point of sale (artificial light or sunlight behind window glass)
  • in use (outdoor sunlight)

To ensure that the intended service life is maintained and premature product failure is avoided, ingredients, cosmetic products and packaging must be tested for exposure to light, heat and water. Stability tests against light and UV play a major role here.

In this Application Guide you learn about:

  • Light stability of products, ingredients and packaging
  • Colorfastness, weather and light fastness
  • Standards, OEM guidelines, testing recommendations
  • In vitro UVA SPF of sunscreen products
  • Accelerated Shelf-life Testing (ASLT)