Ingredient
Tetrasodium Pyrophosphate
TSPP
Sodium pyrophosphate
What it is
An inorganic phosphate salt used at low levels to bind metal ions and control pH in cosmetic formulas.
How it works
It chelates trace metals that would otherwise destabilize the formula and helps hold the target pH.
What it does
Chelating agent
Buffering
Concerns to know
-
Well tolerated
No significant safety concern is reported for this ingredient as used in cosmetics.