Tetrasodium Pyrophosphate

Tetrasodium pyrophosphate is an inorganic, water-soluble salt that works as a chelating and buffering agent in personal care and cleansing products. It controls metal ions and pH, improving formula stability, texture, and appearance.
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Ingredient Snapshot

Overview
Helps control pH and trace metals so formulas stay stable and consistent.
Category
Preservative
Type
Chelating Agent

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Supports steady pH for comfortable use and a uniform feel, and helps minimize unwanted shifts in color or scent during shelf life.

Uses In Skincare & Cosmetics

Used in bath gels, shampoos, body cleansers, and some deodorant or depilatory bases to maintain formula performance.

Comedogenic Rating

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

Safety

Typically safe at cosmetic use levels, but may cause mild irritation, especially to eyes or compromised skin, if overused or in higher-pH systems. No common cosmetic-specific regulatory restrictions noted.

Is Tetrasodium Pyrophosphate a Good Ingredient?

It rates Good since it reliably chelates metals and helps buffer pH, improving formulation stability. Its alkalinity can raise the chance of mild skin or eye irritation at higher concentrations, though, which is what keeps it from a Great rating.

Products with Tetrasodium Pyrophosphate

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