TRISTEARYL PHOSPHATE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TRISTEARYL PHOSPHATE

Safety grade: A

This is a man-made chemical that comes from stearic acid, a fatty substance. It helps make products feel smooth and flexible while improving how well ingredients blend together.

It acts as a softening agent and helps ingredients mix together evenly, making cosmetic products more stable and spreadable on skin.

Graded using: COSING.

Last verified: May 26, 2026