GLYCERETH-31 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

GLYCERETH-31

Safety grade: A

Glycereth-31 is a synthetic humectant made by combining glycerin with other chemical compounds. It works like a moisture magnet, drawing water into the skin and helping products spread smoothly.

This ingredient attracts and holds moisture in the skin to improve hydration, conditions the skin for softness, helps products mix properly, and controls how thick or thin a formula feels.

Graded using: COSING.

Last verified: May 26, 2026