Dipotassium Phosphate

Dipotassium Phosphate is an inorganic salt derived from phosphoric acid and potassium that functions as a buffering and pH-adjusting ingredient in cosmetic formulations. It helps maintain stable product pH levels, which supports ingredient stability and overall formula performance.
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Ingredient Snapshot

Overview
A pH balancer that keeps formulas stable and gentle.
Category
Skin Conditioning
Type
Buffer

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Helps maintain an optimal pH, which improves ingredient stability and product performance. Stable pH conditions also help keep formulations gentle and consistent during use.

Uses In Skincare & Cosmetics

Commonly used in cleansers, lotions, serums, and emulsions where pH control matters for formula stability. Also appears in buffering systems designed to hold performance steady over time.

Comedogenic Rating

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

Safety

Generally considered safe for cosmetic use and typically used in small amounts to control pH. Irritation is uncommon, though very high concentrations of inorganic salts may cause mild irritation in sensitive skin.

Is Dipotassium Phosphate a Good Ingredient?

Good rating: it reliably keeps formulas at a stable pH, which supports both product performance and ingredient stability, and it carries a long safety record. It offers no direct skincare benefit of its own, which keeps it a solid supporting ingredient rather than a Great-rated active.

Products with Dipotassium Phosphate

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