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  • IFRA
    Standards Library
    IFRA Standards Library

    A sortable and searchable database of all the IFRA Standards.

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  • IFRA
    Transparency List
    IFRA Transparency List

    All fragrance ingredients disclosed publicly

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IFRA Standards library

Transparency List

The IFRA Transparency List is the ​‘perfumer’s palette’ – an overview of the ingredients used to create fragrance mixtures employed by consumer goods companies in personal care products, home care products and fine fragrance worldwide.

591-12-8
4-Hydroxy-3-pentenoic acid lactone

About the IFRA Transparency List

The IFRA Transparency List is the ​‘perfumer’s palette’ – an overview of the ingredients used to create fragrance mixtures employed by consumer goods companies in personal care products, home care products and fine fragrance worldwide.