[poll results] What is Your Biggest Challenge in Testing for Cosmetic Ingredient Interactions?

cosmetic blobs over each other on beige background
Image by Екатерина Клищевник at Adobe Stock

We noted last week that as most readers know, there are any number of reasons why cosmetic ingredients may interact within a formula; from differences in optimum pH and solubilities, to variable polarity, charge, electrolytes, etc. 

This made us wonder: What is your biggest challenge in testing for cosmetic ingredient actions? Here's what you said. Be sure to check back for our latest poll!

Poll Results

  • Predicting long-term interactions 66%
  • Unstable or volatile ingredients 19%
  • Impact of pH on formulation 15%

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