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

POLYGLYCERYL-4 BETA-GLUCAN

Safety grade: A

A plant-derived moisturizer made from natural sugars found in grains like oats and barley. It works by forming a protective layer on skin to lock in hydration and help improve skin texture. Commonly used in serums, moisturizers, and skincare products for its soothing and hydrating benefits.

Graded using: COSING.

Last verified: June 9, 2026