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

STARCH PHOSPHATE

Safety grade: A

A thickening agent made from starch that's been chemically modified to absorb moisture and create a smooth texture in powders and foundations. It helps cosmetics stay put on your skin while feeling lightweight and blendable, and also works to mattify shine.

Graded using: COSING.

Last verified: June 9, 2026