The copper salt of usnic acid, a lichen compound, used as an antimicrobial.
What it is
Copper usnate is, according to CosIng, the copper salt of usnic acid, a dibenzofuran compound found in lichens. CosIng lists it as an antimicrobial.
Where it is used
Found in a small number of products, such as deodorants and skin care products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
The label does not show the amount used.
Functions
- Antimicrobial
- Preventing and/or slowing down microbial growth.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.