BHT
Caution
Official INCI name
A synthetic antioxidant used in tiny amounts to keep oils fresh. Often listed next to BHA as a possible hormone disruptor; EU safety scientists reviewed it and allow it with strict limits.
What it does
Antioxidant or stabiliser. Keeps oils and actives from going off.
Worth knowing
Under review or restricted for possible effects on the hormone (endocrine) system.
Also written as
Scans recognise it under every one of these names.
Butylated Hydroxytoluene
“BHT” is its name in the EU glossary of common ingredient names (no. 3371), the names labels in the EU must use. © European Union, EUR-Lex.