INCI Name: Zinc PCA
Appearance: White powder
Solubility: Water-soluble
Usage Rate: 0.1% – 1% (typical), up to 1%
Function: Sebum regulator, antimicrobial, anti-acne
Zinc PCA is a synergistic complex of zinc and pyrrolidone carboxylic acid (PCA) that helps balance oil production, reduce acne-causing bacteria, and calm blemish-prone skin. Widely used in cleansers, toners, spot treatments, and oily-skin serums.
Zinc PCA combines the antibacterial, anti-inflammatory effects of zinc with the hydrating, skin-compatible properties of PCA. It targets excess oil and helps keep pores clearer without over-drying.
Yes. It pairs well with ascorbic acid or its derivatives. The combination suits brightening, oil control, and post-blemish routines.
Yes. Zinc PCA’s soothing, oil-regulating benefits can offset dryness from retinoids in night serums or creams.
Yes. It’s a common pairing for oily and combination skin: Zinc PCA balances sebum while HA supports hydration.
High-strength AHAs layered with sebum-regulating actives can over-stimulate sensitive skin. Patch test and adjust frequency.
Yes. It’s used in shampoos and scalp tonics to help regulate oil and reduce buildup when formulated appropriately.
It’s produced via a synthetic process from amino-acid–derived building blocks. Often described as “nature-inspired.”
Side effects are uncommon. Very high levels may feel slightly drying; typical cosmetic use levels are well tolerated.
