POLYGLYCERYL-4 PENTASTEARATE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYGLYCERYL-4 PENTASTEARATE

Safety grade: A

This is a man-made ingredient created by combining glycerin (a natural moisturizer) with stearic acid (a fatty acid). It's designed to help blend oil and water-based ingredients together and make products feel smooth and soft on skin.

It acts as an emulsifier to keep oil and water mixed together in cosmetic products, while also providing a moisturizing and softening effect on the skin.

Graded using: COSING.

Last verified: May 26, 2026