EU cosmetic limits

trans-2-hexenal in EU cosmetics: Annex III, entry 166

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.

trans-2-hexenal: the entry states a maximum concentration of (b) 0,002 %; its other lines add conditions, see below. Annex III, entry 166, 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
166
Chemical name/INN
trans-2-hexenal
Name of Common Ingredients Glossary
trans-2-hexenal
CAS number
6728-26-3
EC number
229-778-1
Version
Consolidated version of 18 May 2026
Official source
Regulation (EC) No 1223/2009, consolidated text

Official wording: restrictions

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