Mercury
High ConcernAlso known as
mercurymethylmercurymethyl mercurythimerosalthiomersalmercuric chloride
The concern
Potent neurotoxin. Methylmercury bioaccumulates in fish. WHO identifies mercury as one of the top 10 chemicals of major public health concern. Thimerosal in some cosmetics and some vaccines is a source of ethylmercury.
What to look for on labels
This ingredient may appear under any of the following names or codes on product labels:
- Mercury
- mercury
- methylmercury
- methyl mercury
- thimerosal
- thiomersal
- mercuric chloride
Commonly found in
Lipsticks, eyeshadows, some fish, contaminated water supplies
Other heavy metals to know about
Data sourced from IARC, FDA, EFSA, WHO and EWG public data. For informational purposes only. This does not constitute medical or legal advice.