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A copper salt of gluconic acid, widely used as a skin conditioning agent. It provides bioavailable copper, which is vital for enzyme activity, collagen and elastin synthesis, and antioxidant defense in the skin.
Beneficial for
Safety summary
Generally considered safe for cosmetic use.
CAS Number
527-09-3
1% line marker
This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.