Powdered metallic copper, used as a colorant and bulking ingredient.
What it is
Copper powder is, according to CosIng, the element copper in the form of metallic powder. CosIng notes that the INCI name copper powder is used for labelling in the US, while in the EU the colorant is identified as CI 77400. CosIng lists it as an antimicrobial, bulking agent and colorant.
Where it is used
Appears on the ingredient lists of a small number of 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 of colorant used.
Functions
- Antimicrobial
- Preventing and/or slowing down microbial growth.
- Bulking
- Non-reactive (chemically inert), solid ingredients that dilute other solids and/or increase the volume of cosmetic products.
- Colorant
- Exclusively or mainly intended to colour the cosmetic product, the body as a whole or certain parts thereof, by absorption or reflection of visible light; (precursors of oxidative hair colorants shall be deemed colorants). All authorised colorants are substances in the positive list of Annex IV to the Cosmetics Regulation 1223/2009.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.