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

PIPERONYL BUTOXIDE

Safety grade: A**

This is a synthetic compound that helps protect the skin by enhancing the effectiveness of other protective ingredients in cosmetic formulas. It works by boosting how well certain active ingredients can shield and protect your skin.

Piperonyl butoxide is used in cosmetics as a skin protectant that enhances the performance of other protective ingredients, helping to strengthen the skin's natural defenses.

Graded using: COSING.

Last verified: May 26, 2026