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COPPER GLUCONATE.

Valuable CAS 527-09-3 / SKIN CONDITIONING, SKIN PROTECTING

A bioavailable mineral salt that combines essential copper with gluconic acid to accelerate skin recovery and metabolic efficiency. This high-performance trace element acts as a critical enzymatic cofactor, bridging the gap between antioxidant protection and structural skin repair.

Skin-conditioning Humectant Antioxidant Antimicrobial Collagen Synthesis Stimulator

Science

Copper Gluconate functions as a catalyst for cellular regeneration by stimulating fibroblast proliferation and the synthesis of collagen and elastin fibers. It serves as a vital cofactor for superoxide dismutase (SOD), an enzyme that neutralizes free radicals to prevent lipid peroxidation and membrane damage. Additionally, it regulates sebum production through its antimicrobial properties and supports melanin biosynthesis by activating the tyrosinase enzyme.


Research

High confidence
Effective range 0.001–1%
Optimal

0.1%

Key findings

  1. 01 Confirmed non-irritating and non-sensitizing in human repeated-insult patch testing (HRIPT).
  2. 02 Clinical data supports efficacy in promoting wound healing and improving skin firmness across various topicals.

Transparency

Commonly dusted
Min. effective
0.05%
Red flag below
0.001%

While safe at very low concentrations, formulations using less than 0.05% often leverage the ingredient for its striking blue color rather than its biological benefits. For structural collagen support and antioxidant protection, concentrations closer to 0.1% are preferred.


The Formula

Solubility
Water
Optimal pH 4 – 6.5
0 7 14

Stability

Highly stable in aqueous solutions but sensitive to extreme thermal processing; avoid heating above 80°C.

Synergies

  • Zinc Gluconate
  • Magnesium Aspartate
  • Hyaluronic Acid

Conflicts

  • Electrolyte-sensitive thickeners
  • Carbomers (requires electrolyte-resistant versions)

Safety

CIR Status
Safe as used
Max tested
0.36%
Pregnancy
Safe
Sensitization risk Low

Recognized as GRAS (Generally Recognized as Safe) by the FDA. Maximum safety testing supports use up to 0.36% in oral care, with 0.008% typical in leave-on night treatments, though efficacy studies explore higher ranges safely.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Valuable

An essential mineral catalyst for brands focusing on skin longevity, wound healing, and metabolic detoxification.


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