Definition:
Polybutene
Polybutene is a solubilizer that can also be found in a variety of cosmetics, including lipsticks and lip balms. This polymeric material is sensitive to oxidation when heated liquids are exposed to air resulting in a loss of tackiness and an increase in water solubility.
Interested in researching ingredients? Here are some commonly used sources.
We make ingredient choices based on scientific research and our own scientists’ expertise and perspective. But even scientists sometimes disagree about how or where certain ingredients should be used. We encourage anyone with questions to read up on areas of debate. That way, you can make the choices you feel are best for your family. Here are independent sources – both consumer and scientific – spanning various industries that use ingredients similar to ours: