CompoAtlas

ACETYLCEDRENE (acetyl cedrene)

See the summary at the top of this page. CosIng, Annex III of Regulation (EC) No 1223/2009 (restricted substances), Consulted on 23 October 2026.

Listed in the CosIngThe European Commission's database of cosmetic ingredients. inventory; not yet in the European glossary of common ingredient names. Listing does not constitute an authorisation for use.

Who it concerns

What official classifications and rules say for each group. A classification describes the hazard of the pure substance, not the risk of a product that contains it, which depends on the dose and the exposure.

Prohibition or serious classificationThe text prohibits the substance for this use, or ranks it among the most serious hazards (known or presumed carcinogenic, mutagenic or reprotoxic, identified endocrine disruptor).Worth watchingThe text sets a condition or flags a hazard worth knowing: allergen, suspected effect, condition for children, hazard to the aquatic environment.For informationOfficial information with no condition on a finished product: warning to read, irritation of the pure substance.

  • Pregnancy and breastfeeding

    No classification harmonised by the European Union covers reproduction, the unborn child or breastfeeding for this substance. This does not mean it has been judged to have no effect during pregnancy.

  • Babies and children

    The Cosmetics Regulation sets no age-related condition for this ingredient.

  • Skin, eyes and allergies

    Worth watchingThe text sets a condition or flags a hazard worth knowing: allergen, suspected effect, condition for children, hazard to the aquatic environment.

    Worth watching Allergen to declare: Annex III, entry 327, requires it to be named in the ingredient list above 0.001% in a leave-on product and 0.01% in a rinse-off product, so that allergic people can avoid it.

  • Environment

    No harmonised classification as hazardous to the aquatic environment, and no EU act identifies it as an endocrine disruptor for the environment.

  • Read on the label

    The Cosmetics Regulation requires no warning to be printed for this ingredient.

CosIng, Annex III of Regulation (EC) No 1223/2009 (restricted substances), retrieved 23 October 2026, source updated 13 October 2026.

In plain words

What it is used for

Functions declared by manufacturers:

The functions and their explanations appear in the summary.

Functions declared in the CosIng inventory. CosIng, inventory of cosmetic ingredients (INCI names, CAS, EC, functions), retrieved 21 October 2026.

CosIng, list of cosmetic functions, retrieved 30 October 2026; source text read on 30 October 2026.

What the rules say

Allowed, with restrictions: Annex III sets conditions of use. Ingredient lists do not give quantities, so the concentration cannot be checked on the label.

CosIng, Annex III of Regulation (EC) No 1223/2009 (restricted substances), retrieved 23 October 2026, source updated 13 October 2026.

See the summary at the top of this page.

What we know about this ingredient

No natural occurrence recorded in Wikidata (LOTUS database); this does not prove that the ingredient is synthetic.

Basis: one CosIng CAS, with no natural occurrence recorded in this database.

Open Beauty Facts, export of cosmetic products, retrieved 23 October 2026.

Data “Open Beauty Facts and its contributors”, licensed under ODbL 1.0 (opendatacommons.org/licenses/odbl/1-0); derived table distributed under the same licence.

The text of the annexes

Allowed with restrictions

This entry covers the same substance as ACETYLCEDRENE (same CAS number in the CosIng inventory): its conditions apply.

Uses covered by the text

An INCIInternational name of cosmetic ingredients: the one printed on the pack. list does not give the actual concentration. The limits below concern the ready-for-use preparation, for the uses stated in the text. Common conditions apply to every case in this entry.

Other conditions
The presence of the substance shall be indicated in the list of ingredients referred to in Article 19(1), point (g), when its concentration exceeds: — 0,001 % in leave-on products — 0,01 % in rinse-off products.
  • Rinse-off product: mentioned in the columns below, including exclusions and conditions.
  • Leave-on product: mentioned in the columns below, including exclusions and conditions.
  • Children under 3: the text does not distinguish this use in the available columns.
  • Application area: the text does not distinguish this use in the available columns.
Entry
Annex III, No 327
Substance
[3R-(3α,3aβ,7β,8aα)]- 1-(2,3,4,7,8,8a- hexahydro-3,6,8,8-tetramethyl- 1H-3a,7-methanoazulen-5-yl)ethan- 1-one
Glossary names
Acetyl Cedrene
CAS
32388-55-9
EC
251-020-3
Dates in the act (3)
  • Entry into force on 16 August 2023
  • Placing on the market until 31 July 2026
    Cosmetic products containing that substance that do not comply with the restrictions may be placed on the Union market until 31 July 2026 and made available on the Union market until 31 July 2028.
  • Making available until 31 July 2028
    Cosmetic products containing that substance that do not comply with the restrictions may be placed on the Union market until 31 July 2026 and made available on the Union market until 31 July 2028.

Excerpts from the English text published in the Official Journal. A date may concern only some substances of the act: the excerpt says so.

Regulation (EC) No 1223/2009, Annex III, entry 327. CosIng, Annex III of Regulation (EC) No 1223/2009 (restricted substances), retrieved 23 October 2026, source updated 13 October 2026.

Entry from Regulation (EU) 2023/1545, adopted on 26 July 2023.

What has changed, and what will change

Dates of the texts that cover this ingredient. A text date may cover several substances: the details of each entry are below.

  1. Annex III, entry 327: introduced or replaced by Regulation (EU) 2023/1545

  2. Annex III, entry 327: a new product that does not comply can no longer be placed on the market

  3. upcoming

    Annex III, entry 327: a product that does not comply can no longer be sold, even from stock

Identity

CosIng identifier
39011
CAS (according to CosIng)
32388-55-9
EC (according to CosIng)
251-020-3
Declared functions
Perfuming
Wikidata
Q27293605
PubChem
16220111
ECHA InfoCard
100.046.367
InChIKey
YBUIAJZFOGJGLJ-SWRJLBSHSA-N

CosIng inventory. CosIng, inventory of cosmetic ingredients (INCI names, CAS, EC, functions), retrieved 21 October 2026.

Wikidata, items with a CosIng identifier (P3073), retrieved 22 October 2026.

Wikidata, PubChem and ECHAEuropean Chemicals Agency. links are published only when verified: same CosIng identifier, a single item, matching CAS number.

Elsewhere in the world

Information on other jurisdictions, with no effect on sale in France. What is covered, and what is not yet.

Comparison between countries

Most restrictive status in each country, and the maximum concentration cited. The details and the source of each rule follow.

Comparison between countries: ACETYLCEDRENE
CountryRuleMaximum concentration cited
European UnionAllowed with restrictionsnot cited
United KingdomNo specific rule in the Cosmetics Regulation differs from the EUnot cited
SwitzerlandEU Regulation appliesnot cited
United States (federal)No federal rule recordednot cited
CanadaNo entry in the lists recordednot cited
JapanNo entry in the lists recordednot cited
South KoreaNo entry in the lists recordednot cited
ChinaNot on the prohibited lists recorded (lists of allowed substances are not recorded)not cited
AustraliaNo entry in the lists recordednot cited
ASEANNo entry in the lists recordednot cited
TaiwanNo entry in the lists recordednot cited
BrazilNo entry in the lists recordednot cited

United Kingdom (Great Britain)

  • No specific rule in the Cosmetics Regulation

Entry 327 of Annex III of EU law (Regulation (EU) 2023/1545) has no equivalent in British law.

Annexes II to VI in force. United Kingdom, Annexes II to VI of Regulation (EC) No 1223/2009 as retained and amended, retrieved 21 October 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Northern Ireland applies EU law.

Switzerland

Regulation (EC) No 1223/2009 applies in Switzerland (Article 54 of the Ordinance on Foodstuffs and Utility Articles).

United States, federal rules

None of the integrated sections of the federal code (21 CFR 700.11 to 700.27 and 250.250) targets this name. The FDA does not publish a list of allowed ingredients.

United States, 21 CFR part 700 and section 250.250 (FDA rules on cosmetic ingredients), eCFR, retrieved 21 October 2026.

The eCFR is not an official legal edition of the Code of Federal Regulations.

Page updated on 21 October 2026.

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