Quaternium-15

High Concern

Formaldehyde Releaser

Also known as

quaternium-15quaternium 15

The concern

One of the most common formaldehyde-releasing preservatives. EWG rates it high concern. Known contact allergen; most frequent cause of contact dermatitis from preservatives according to ACDS.

Read the source: EWG / ACDS

What to look for on labels

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

Quaternium-15
quaternium-15
quaternium 15

Learn more

Read the full evidence directly from the authoritative source.

View source — EWG / ACDS

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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