Isopropyl Isostearate
Isopropyl Isostearate
5Very high risk. Strongly occlusive; widely avoided by acne-prone users.
Very high comedogenicity. Common in makeup and cleansing balms.
What it does
emollient
How solid is that number
The rating is graded established. Traceable to published comedogenicity testing and consistent across sources.
It describes the raw ingredient in isolation. In a finished product, how much is present and where it sits in the ingredient list matter just as much. Run the whole label through the checker to see it in context.
