Tetrasodium Pyrophosphate
Tetrasodium pyrophosphate is a chelating agent and emulsifier. In cosmetics, it helps to stabilize formulas and prevent discoloration by binding to metal ions. In oral care, it helps prevent tartar buildup on teeth.
NoneChelating agentVeganEvidence: Medium
RiskLow 0.5 / 4
Irritation i0.5 / 4
Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.
Rated by SpottyLabs' ingredient methodology, independent of brands.
What it helps with
- Stabilizes cosmetic formulas
- Prevents tartar buildup
Things to watch
- Can be irritating in high concentrations
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Products with Tetrasodium Pyrophosphate
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Frequently asked questions
- What is tetrasodium pyrophosphate used for in toothpaste?
- In toothpaste, tetrasodium pyrophosphate acts as a tartar control agent. It helps to remove calcium and magnesium from saliva, preventing them from depositing on teeth as calculus or tartar.