2,4-DIMETHYL-4,4A,5,9B-TETRAHYDROINDENO-1,3-DIOXIN is graded A (Safe) by Expert·ING, based on COSING regulatory data.

2,4-DIMETHYL-4,4A,5,9B-TETRAHYDROINDENO-1,3-DIOXIN

Safety grade: A

This is a synthetic fragrance molecule created in a laboratory that produces a pleasant scent. It is used as a building block in fragrance blends to give cosmetic products their characteristic smell.

This ingredient is used in cosmetic products solely to impart a pleasing fragrance, masking any unpleasant odors from other ingredients and enhancing the overall sensory experience of the product.

Graded using: COSING.

Last verified: May 26, 2026