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

ISOBUTOXYPROPANOL

Safety grade: A

This is a clear liquid chemical that helps dissolve and blend ingredients together in cosmetic products. It's also used to adjust how thick or thin a product feels on your skin.

It works as a solvent to dissolve other ingredients, helps reduce the thickness of formulations, and can improve how easily products spread on skin.

Graded using: COSING.

Last verified: May 26, 2026