PPG-25 DIMETHICONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PPG-25 DIMETHICONE

Safety grade: A

This is a silicone-based ingredient that acts like a lightweight oil. It's made by chemically combining silicone molecules with other compounds to create a substance that feels smooth and spreads easily on skin and hair.

It helps blend oil and water-based ingredients together in products, conditions hair and skin by creating a smooth protective layer, and helps products spread evenly and feel silky.

Graded using: COSING.

Last verified: May 26, 2026