Colloidal Copper
CautionWorth understanding before you use it.
What we found
The EU prohibits the nano form in cosmetics (Annex II, entry 1726). Colloidal particles are often nano-sized and the label does not say.
Source: EU Regulation (EUR-Lex)By product type
In cosmetics
CautionThe EU prohibits the nano form in cosmetics (Annex II, entry 1726). Colloidal particles are often nano-sized and the label does not say.
Last updated November 12, 2026
Is Colloidal Copper safe?
We don't give a safety verdict. Here is what the EU, Canada and the US say.
The EU, Canada and the US have no specific rule for Colloidal Copper in our data. Its rating and the source are above.
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