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

BORAGE SEED OIL POLYGLYCERYL-4 ESTERS

Safety grade: A

This ingredient is made from borage seed oil (a plant-based oil) combined with a natural sugar-derived compound called polyglyceryl-4. It helps mix oil and water together in cosmetic products and makes them appear thicker and creamier.

It acts as a natural emulsifier and thickening agent that blends oil and water in formulas while adding a luxurious texture and opacity to cosmetic products.

Graded using: COSING.

Last verified: May 26, 2026