INCI name

T-BUTYL ALCOHOL

tert-Butyl alcohol

A small alcohol used as solvent and denaturant.

What it is

T-Butyl Alcohol (2-methylpropan-2-ol) is a small tertiary alcohol. CosIng lists it as a denaturant, solvent and perfuming agent.

Where it is used

Found mainly in perfumes, body sprays, hair sprays and other alcohol-based products, often as one of the agents used to denature ethanol.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

Functions

Denaturant: Rendering cosmetics unpalatable. Mostly added to cosmetics containing ethyl alcohol to make it unsuitable for ingestion.
Solvent: Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).
Perfuming: Used for perfume and aromatic raw materials.

EU regulation

This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

Products with this ingredient (129)

Check a full ingredient list