BUTETH-3 is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.

BUTETH-3

Safety grade: A

Buteth-3 is a liquid ingredient made by combining a natural plant oil with synthetic chemicals. It helps dissolve and mix other ingredients together in cosmetic products.

This ingredient acts as a solvent to dissolve other substances and help them blend smoothly into the product formulation.

Graded using: COSING, FDA.

Last verified: May 26, 2026