PFOS (Perfluorooctane sulfonic acid)

High Concern

PFAS

Also known as

pfosperfluorooctane sulfonic acidperfluorooctane sulphonate

The concern

IARC Group 1 carcinogen. Linked to kidney cancer, bladder cancer, and non-Hodgkin lymphoma. Banned under the Stockholm Convention. Persists in human blood and accumulates over time.

Read the source: IARC

What to look for on labels

This ingredient may appear under any of the following names or codes on product labels:

PFOS (Perfluorooctane sulfonic acid)
pfos
perfluorooctane sulfonic acid
perfluorooctane sulphonate

Learn more

Read the full evidence directly from the authoritative source.

View source — IARC

Data sourced from IARC, FDA, EFSA, WHO and EWG public data. For informational purposes only. This does not constitute medical or legal advice.

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