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Moumoujus

CI 77400.

Optional CAS 7440-50-8 / COLORANT

CI 77400, commonly known as Copper Powder or Bronze Powder, is an inorganic pigment primarily incorporated into cosmetic formulations to impart a brown hue. Its use is broadly approved across various product types, including sensitive applications like eye area cosmetics.

Summary

colorant

Science

Mechanism of Action

This ingredient operates as an inorganic pigment, physically providing coloration to cosmetic products. Its function is aesthetic, contributing a specific brown shade to formulations rather than engaging in biochemical interactions with the skin.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

CI 77400 functions as a colorant, not an active ingredient; therefore, 'dusting' in the context of active efficacy is not applicable.

The Formula

Formulation

Solubility
Unknown
Optimal pH N/A
0 7 14

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Unknown

CI 77400 is recognized as safe for cosmetic applications by key regulatory bodies. The FDA has listed Copper Powder (CI 77400) as a color additive exempt from certification, permitting its safe inclusion in cosmetics, including products intended for the eye area, and externally applied drugs. The Cosmetic Ingredient Review (CIR) defers its evaluation to the FDA's assessment. Within the European Union, CI 77400 is sanctioned as an allowed colorant under Annex IV of the Cosmetics Regulation, with no specific maximum concentration limits for general cosmetic use.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Optional

CI 77400 is an optional ingredient valued for its safe and effective contribution as an inorganic brown colorant in a wide range of cosmetic formulations.

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