Copper Powder (CI 77400)

Copper Powder (CI 77400) molecular structure
molecular structure · PubChem
AKA: Cuprum, Bronze powder, Copper bronze, Elemental
Synthetic
Not Clean
OriginCopper powder is derived from natural copper ore deposits or produced through electrolytic refining of copper metal. The material is micronized and milled to create fine powder particles suitable for cosmetic applications.
Copper Powder (CI 77400) is a cosmetic ingredient.
Formula
Cu
Mol. Weight
63.55
CAS #
7440-50-8
Form
Powder
State
Solid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Absorbent
Adds Color
Antioxidant Protection
Reduces Inflammation
Brightens Skin
Green synthesis of silver and copper nanoparticles and their composites using Ocimum sanctum leaf extract displayed enhanced antibacterial, antioxidan
Ashokkumar M, Palanisamy K, Ganesh Kumar A, Muthusamy C, Senthil Kumar KJ
Artificial cells, nanomedicine, and biotechnology, 2024
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Final Report: Safety Assessment of Copper Gluconate as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
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Bis(Tripeptide-1) Copper Acetate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Copper Citrate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Copper Tripeptide-1
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Silver Copper Zeolite
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Copper Gluconate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
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Copper Tripeptide-1
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Bromine, elemental
Health Canada
Health Canada Cosmetic Ingredient Hotlist
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Hypersensitivity reaction in an infant fed hydrolyzed lactalbumin contained in a semielemental formula.
Heyman MB, Stoker TW, Rudolph CD, Frick OL
Journal of pediatric gastroenterology and nutrition, 1990
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The effect of copper tripeptide and tretinoin on growth factor production in a serum-free fibroblast model.
McCormack MC, Nowak KC, Koch RJ
Archives of facial plastic surgery, 2001
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EWG
4
CIR
Safe w/Qualifications
Pregnancy
Caution
Concentration Guide
0%50%100%
Reg. limit 1%
EU regulatory limit: 1%. Source: EU Cosmetics Regulation (EC) 1223/2009, Annex III (Restricted Substances), Entry 24
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR