4-tert.-Butyldihydrocinnamaldehyde in EU cosmetics: Annex III, entry 155

Source: Regulation (EC) No 1223/2009, consolidated textRetrieved 2026-11-05Independent information site: we are not the authority and not the source of the data.

4-tert.-Butyldihydrocinnamaldehyde: the maximum concentration in ready for use preparation is 0,6 %. Annex III, entry 155, Regulation (EC) No 1223/2009, consolidated 18 May 2026.

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Annex: III: List of substances which cosmetic products must not contain except subject to the restrictions laid down
Reference number: 155
Chemical name/INN: 4-tert.-Butyldihydrocinnamaldehyde; 3-(4-tert-Butylphenyl)propionaldehyde
Name of Common Ingredients Glossary: 4-tert.-Butyldihydrocinnamaldehyde
CAS number: 18127-01-0
EC number: 242-016-2
Version: Consolidated version of 18 May 2026
Official source: Regulation (EC) No 1223/2009, consolidated text

Official wording: restrictions

Maximum concentration in ready for use preparation: 0,6 %

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