POLYSORBATE 21 is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.

POLYSORBATE 21

Safety grade: A

Polysorbate 21 is a gentle helper ingredient made from natural plant oils that have been chemically modified. It works like a bridge in cosmetics, helping oil and water mix together smoothly instead of separating.

This ingredient helps blend oils and water in cosmetic formulas to create smooth, stable products and reduces surface tension to allow better product spreadability on skin.

Graded using: COSING, FDA.

Last verified: May 26, 2026