Copper PCA

Copper PCA is a water-soluble copper salt of pyrrolidone carboxylic acid used in cosmetics as a mineral-derived humectant and sebum regulator. It's used for shine control, lightweight hydration, and conditioning, with limited overall evidence.
Like this ingredient?

Ingredient Snapshot

Overview
A copper mineral salt that helps control shine while adding hydration.
Category
Oil Control, Acne, Hydration, Skin Conditioning
Type
Humectant

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Helps reduce the look of excess oil while keeping skin feeling comfortably hydrated. Evidence is limited, so results may be modest and vary by skin type.

Uses In Skincare & Cosmetics

Often included in oil-balancing serums, gel moisturizers, and toners aimed at combination or acne‑prone skin. It may also appear in lightweight essences or blemish-control lotions.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Generally considered low risk in leave-on formulas, but sensitive or broken skin may sting or redden. Discontinue if persistent irritation occurs.

Is Copper PCA a Good Ingredient?

Modest clinical support for sebum control and hydration; results can be inconsistent across skin types. Some individuals may experience mild irritation from copper salts, especially at higher concentrations or on compromised skin. Limited proof of benefit weighed against the risk keeps it at Fair.

Products with Copper PCA

Related Ingredients