Dimethylpolysiloxane
This is what the ingredient is.
Dimethylpolysiloxane (PDMS, silicone) is an antifoaming agent used in oil frying and food processing.
Here is why it shows up on the label.
Prevents foaming in deep fryers, fermentation tanks, and juice processing. Also used in cosmetics.
Here is what food agencies say.
The FDA has approved it at up to 10 ppm in oils and fats. European food agencies allow it (E900). It is permitted in many countries worldwide.
Here is what research has found.
an FAO/WHO expert committee confirms safety. Not absorbed from GI tract. Used in medical devices implanted in humans.
Here are a few things worth knowing.
Generally safe. Passes through body unchanged. Internet rumors about McDonald's use are misleading - amounts are tiny and safe.
Sources
- FDA CFR 21
- EFSA Scientific Opinion
- JECFA Monograph
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.