Ionone
A cosmetic ingredient used as astringent, perfuming in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Ionone; (E)-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-buten-2-one
What does it do?
Ionone is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Astringent
tightens or contracts skin tissue and pores, often used in toners and after-shave products
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Perfuming
adds scent to a cosmetic product
EU regulatory status
Ionone 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 Ionone?
Ionone is a cosmetic ingredient catalogued in the EU CosIng database. Ionone; (E)-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-buten-2-one
Is Ionone allowed in cosmetics in the EU?
Yes. Ionone is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Ionone do in cosmetic products?
Ionone is declared in the EU cosmetic ingredient inventory with these functions: astringent, perfuming.
What is the CAS number of Ionone?
The CAS (Chemical Abstracts Service) number for Ionone is 8013-90-9 / 79-77-6.
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