Tbhq
A cosmetic ingredient used as antioxidant, fragrance, perfuming in skincare, haircare, and personal-care products sold in the European Union.
What is it?
1,4-Benzenediol, 2-(1,1-Dimethylethyl)-; 2-tert-Butyl-1,4-dihydroxybenzene; tert-Butyl hydroquinone
What does it do?
Tbhq is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Antioxidant
neutralises free radicals to slow oxidative damage to the formulation or skin
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Fragrance
provides scent or masks the natural odour of other ingredients
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Perfuming
adds scent to a cosmetic product
EU regulatory status
Tbhq is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Tbhq?
Tbhq is a cosmetic ingredient catalogued in the EU CosIng database. 1,4-Benzenediol, 2-(1,1-Dimethylethyl)-; 2-tert-Butyl-1,4-dihydroxybenzene; tert-Butyl hydroquinone
Is Tbhq allowed in cosmetics in the EU?
Yes. Tbhq is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Tbhq do in cosmetic products?
Tbhq is declared in the EU cosmetic ingredient inventory with these functions: antioxidant, fragrance, perfuming.
What is the CAS number of Tbhq?
The CAS (Chemical Abstracts Service) number for Tbhq is 1948-33-0.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/10/2010