Bronze Powder (CI 77400)

Bronze Powder (CI 77400) 1
photograph
AKA: Copper powder, Cuprum, Copper bronze, Copper, Elemental
Synthetic
Not Clean
OriginBronze Powder (CI 77400) is derived from iron oxides and mica minerals, belonging to the inorganic colorant family. It is produced by coating mica with iron oxide pigments through a precipitation or physical blending process.
Bronze 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
Yes
Functions
Absorbent
Cosmetic Colorant
Brightening
Boosts Collagen
Moisturizing
Adds subtle metallic shimmer
Provides light
Reflecting glow
Enhances skin luminosity
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
→
Final Report: Safety Assessment of Copper Gluconate as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
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
→
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
Pregnancy
Yes
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