Good Cosmetic Ingredient NOAEL Data

Copper Gluconate

INCI: COPPER GLUCONATE

CAS Number
527-09-3
Function
skin-conditioning agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
EU Max Conc. 1%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR Panel concluded it is safe in present practices of use and concentration (Final Report, March 2025)

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for Copper Gluconate. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL 1140 mg/kg bw/day oral rat Chronic COSMOS_DB
NOAEL 180 mg/kg bw/day oral dog Chronic COSMOS_DB
NOAEL 30 mg/kg bw/day oral mouse Developmental COSMOS_DB
NOAEL 30 mg/kg bw/day oral rat Developmental COSMOS_DB
NOAEL 30 mg/kg bw/day oral rat Reproductive COSMOS_DB
NOAEL 30 mg/kg bw/day oral rat Reproductive COSMOS_DB
dose_tested 180 mg/kg bw/day oral dog Chronic COSMOS_DB
dose_tested 30 mg/kg bw/day oral mouse Developmental COSMOS_DB
dose_tested 30 mg/kg bw/day oral rat Developmental COSMOS_DB
dose_tested 30 mg/kg bw/day oral rat Reproductive COSMOS_DB

Expert Verdict

Copper Gluconate is generally considered safe for use as a skin-conditioning agent with established margin of safety.

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Concern Level: Low

Regulatory Flags

fda_food_additive

Frequently Asked Questions

Is Copper Gluconate safe in cosmetics?

Copper Gluconate is generally considered safe for use as a skin-conditioning agent with established margin of safety. The EU classifies Copper Gluconate as "permitted". Safety rating: GOOD. 10 toxicological study endpoint(s) are available in our database.

Is Copper Gluconate allowed in the EU?

Copper Gluconate EU regulatory status: permitted. Maximum allowed concentration: 1%. This is based on EU Regulation 1223/2009 and its amendments.

What does Copper Gluconate do in cosmetics?

Copper Gluconate functions as: skin-conditioning agent. It is classified as a Cosmetic Ingredient in our database. CAS number: 527-09-3.

What is the Margin of Safety for Copper Gluconate?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

What is the NOAEL for Copper Gluconate?

The NOAEL (No Observed Adverse Effect Level) for Copper Gluconate is 1140 mg/kg bw/day based on a Chronic study via oral route in rat. A total of 10 study endpoints are available. Source: COSMOS_DB.

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