Crotonic Acid
A cosmetic ingredient used as fragrance, light stabilizer in skincare, haircare, and personal-care products sold in the European Union.
What is it?
2-Butenoic acid
What does it do?
Crotonic Acid is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Fragrance
provides scent or masks the natural odour of other ingredients
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Light stabilizer
protects a cosmetic formulation from degradation by UV light, extending its shelf life
EU regulatory status
Crotonic Acid 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 Crotonic Acid?
Crotonic Acid is a cosmetic ingredient catalogued in the EU CosIng database. 2-Butenoic acid
Is Crotonic Acid allowed in cosmetics in the EU?
Yes. Crotonic Acid is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Crotonic Acid do in cosmetic products?
Crotonic Acid is declared in the EU cosmetic ingredient inventory with these functions: fragrance, light stabilizer.
What is the CAS number of Crotonic Acid?
The CAS (Chemical Abstracts Service) number for Crotonic Acid is 3724-65-0.
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