Our take
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.
What it does
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.
Where you'll find it
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.
Before you use it
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.
Products with Dipotassium Phosphate