Ingredient
Glyceryl-3 Diisostearate
Emollient ester · INCI: Glyceryl-3 Diisostearate
Reviewed by Elysiana, licensed esthetician
How we read it
Highly comedogenic
Known to clog pores. If you break out easily, this is the one to skip.
Is Glyceryl-3 Diisostearate comedogenic?
Yes. Glyceryl-3 Diisostearate is a known pore-clogging ingredient, and we read it as highly comedogenic. If you're acne-prone, it's worth avoiding, especially when it sits near the top of an ingredient list.
Why we read it this way
Listed as pore-clogging across multiple acne-safe references.
The nuance
Most relevant in leave-on products on oily, breakout-prone skin; effect can depend on the amount used.
One ingredient rarely tells the whole story. Run the whole label and see everything in the product at once.