Compoatlas

THYMOL

Official label name (INCIInternational name of cosmetic ingredients: the one printed on the pack. name, EU glossary of cosmetic ingredient names), No 28811

THYMOL: no specific rule of the EU Cosmetics Regulation names it. It is neither prohibited nor restricted there, and it is on none of its lists of colorants, preservatives or UV filters. Good to know: hazardous to the aquatic environment. Annexes of the Regulation consulted on 21 October 2026.

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

    For informationOfficial information with no condition on a finished product: warning to read, irritation of the pure substance.

    For information Classified under the CLPEU regulation that classifies chemicals by their hazards (EC No 1272/2008). Regulation: skin corrosion, category 1B (Skin Corr. 1B). This classification describes the pure substance; in a finished product it is far more diluted.

  • Environment

    For informationOfficial information with no condition on a finished product: warning to read, irritation of the pure substance.

    For information Classified under the CLP Regulation: hazardous to the aquatic environment, long term, category 2 (Aquatic Chronic 2).

  • Read on the label

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

In plain words

What it is used for

Functions declared by manufacturers:

Denaturant: renders cosmetics unpalatable. Mostly added to cosmetics containing ethyl alcohol.

Fragrance.

Oral care: provides cosmetic effects to the oral cavity, e.g. cleansing, deodorising, protecting.

Miscellaneous (skin conditioning): maintains the skin in good condition.

Functions declared in the CosIngThe European Commission's database of cosmetic ingredients. inventory. CosIng, inventory of cosmetic ingredients (INCI names, CAS, EC, functions), retrieved 21 October 2026.

Definitions of functions (decision repealed on 8 May 2020, cited for information). Decision 2006/257/EC, inventory of cosmetic ingredients (definitions of functions), retrieved 22 October 2026.

What the rules say

No EU rule targets this ingredient specifically. It remains subject to the general rule: every product must undergo a safety assessment before it is sold (Article 10 of Regulation (EC) No 1223/2009), under the manufacturer's responsibility.

The text of the annexes

No specific rule of the EU Cosmetics Regulation names this ingredient: it is on none of its lists (prohibited, restricted, colorants, preservatives, UV filters). It may be used under the responsibility of the manufacturer, who must ensure the product is safe.

Search in Annexes II to VI. CosIng, Annex II of Regulation (EC) No 1223/2009 (prohibited substances), retrieved 21 October 2026, source updated 13 October 2026.

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. CLP classification “Acute Tox. 4 *” applicable at the latest from this date (Regulation (EU) 2018/669)

Identity

CosIng identifier
38597
CAS (according to CosIng)
89-83-8
EC (according to CosIng)
201-944-8
Declared functions
Denaturant, Fragrance, Oral care, Skin conditioning: miscellaneous
Wikidata
Q408883
PubChem
6989
ECHAEuropean Chemicals Agency. InfoCard
100.001.768
InChIKey
MGSRCZKZVOBKFT-UHFFFAOYSA-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 ECHA links are published only when verified: same CosIng identifier, a single item, matching CAS number.

Classified hazard (CLP Regulation)

The harmonised classification is the one set by the European Union for the whole Union. H codes refer to the hazard statements of Annex III of Regulation (EC) No 1272/2008.

thymol

Neither carcinogenic, mutagenic nor toxic for reproduction under the harmonised classification

Hazard classes
Acute toxicity, category 4 (Acute Tox. 4)
Skin corrosion, category 1B (Skin Corr. 1B)
Hazardous to the aquatic environment, long term, category 2 (Aquatic Chronic 2)
Hazard statements
H302 H314 H411

Annex VI, entry 604-032-00-1, linked by CAS 89-83-8. Regulation (EC) No 1272/2008 (CLP), consolidated version, Annex VI table 3, retrieved 21 October 2026.

Entry introduced or replaced by Regulation (EU) 2018/669, applicable at the latest from 1 December 2019.

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.

CountryRuleMaximum concentration cited
European UnionNo specific rule in the Cosmetics Regulationnot cited
United KingdomNo specific rule in the Cosmetics Regulationnot cited
SwitzerlandEU Regulation appliesnot cited
United States (federal)No federal rule recordednot cited
JapanAllowed under conditions differs from the EUnot 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
BrazilNo entry in the lists recordednot cited

United Kingdom (Great Britain)

  • No specific rule in the Cosmetics Regulation

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.

Japan

  • Allowed under conditions: チモール (Thymol)

    Annex 3-2 (allowed preservatives), entry 20, page 8.

    Conditions, source text, in Japanese

    [sub-list] 2 化粧品の種類により配合の制限がある成分(注1) | 100g中の最大配合量(g) / 粘膜に使用されることがない化粧品のうち洗い流すもの: 0.050 | 100g中の最大配合量(g) / 粘膜に使用されることがない化粧品のうち洗い流さないもの: 0.050 | 100g中の最大配合量(g) / 粘膜に使用されることがある化粧品: ○(注2) | (注1) 空欄は、配合してはならないことを示し、○印は、配合の上限がないことを示す。 | (注2) 粘膜に使用される化粧品であって、口腔に使用されるものに限り、配合することができる。

Japan, Standards for Cosmetics (MHLW Notification No. 331 of 2000) and tar colour ordinance, retrieved 22 October 2026.

Source: 厚生労働省 (MHLW), 化粧品基準; table extracted and formatted by the publisher of this site, with no endorsement by the ministry.

Recorded cosmetics that contain it

82 recorded products list it, according to Open Beauty Facts contributors. Records are dated: the formula may have changed. See the list (in French).

Open Beauty Facts, export of cosmetic products, retrieved 21 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.

Glossary: Commission Implementing Decision (EU) 2025/1175. Page updated on 21 October 2026.