Potassium Citrate

Potassium Citrate is the tripotassium salt of citric acid, a white, freely water-soluble crystalline solid. In skincare it buffers and fine-tunes pH, balances electrolytes, and boosts stability in cleansers, lotions, gels, and mists.
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Snapshot

Overview
A pH-balancing ingredient that keeps formulas gentle on skin.
Category
Sensitive Skin
Type
pH Adjuster

Ratings

Overall Rating

Good

Comedogenic Risk

None

Not typically evaluated for comedogenicity — no standardized rating available.

Is Potassium Citrate a Good Ingredient?

Rated Good for reliable pH buffering that helps keep formulas skin-comfortable and consistent. Benefits are mostly indirect, so it doesn’t reach Great despite solid performance and low irritation potential.

Skin Benefits

Maintains a skin-comfortable acidity that can support barrier-friendly conditions and reduce pH-related irritation. Provides reliable pH control for consistent feel across uses.

Uses in Skincare & Cosmetics

Common in micellar waters, gel-cream moisturizers, and emulsion moisturizers to keep acidity within a target range.

Safety

Low irritation risk at usual use levels. If overused or if pH is mis-set, it can contribute to irritation; formulators should verify final pH. No common regulatory limits noted for topical use.