ALPHA-TERPINENE (α-terpinene)
Official label name (INCI name, EU glossary of cosmetic ingredient names), No 1479
- Allowed with restrictions (Annex III)
ALPHA-TERPINENE (α-terpinene): Allowed with restrictions (Annex III, entry 131), under Regulation (EC) No 1223/2009.
In plain words
What it is used for
Functions declared by manufacturers:
Perfuming.
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.
The text of the annexes
Allowed with restrictions
- Entry
- Annex III, No 131
- Substance
- p-Mentha-1,3-diene
- Glossary names
- Alpha-Terpinene
- CAS
- 99-86-5
- EC
- 202-795-1
- 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. The peroxide value shall be less than 10 mmoles/L (This limit applies to the substance and not to the finished cosmetic product).
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.
Identity
- CosIng identifier
- 41318
- CAS (according to CosIng)
- 99-86-5
- EC (according to CosIng)
- 202-795-1
- Declared functions
- Perfuming
- Wikidata
- Q423851
- PubChem
- 7462
- ECHA InfoCard
- 100.002.541
- InChIKey
- YHQGMYUVUMAZJR-UHFFFAOYSA-N
Classified hazard (CLP Regulation)
A classification describes an intrinsic hazard, not a risk: the risk depends on the dose, the form and the exposure.
p-mentha-1,3-diene; 1-isopropyl-4-methylcyclohexa-1,3-diene; alpha-terpinene
No harmonised CMR classification
- Hazard classes
- Flam. Liq. 3
Acute Tox. 4
Skin Sens. 1
Asp. Tox. 1
Aquatic Chronic 2 - Hazard statements
- H226 H302 H317 H304 H411
Elsewhere in the world
Information on other jurisdictions. What is covered, and what is not yet.
United Kingdom (Great Britain)
- Allowed with restrictions (Annex III)
Same entries as in the European Union. Conditions (concentrations, warnings) may differ: they are not compared here.
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.
South Korea
- Prohibited: 과산화물가가 10mmol/L을 초과하는 α-테르피넨
별표 1 (prohibited substances), entry 790, page 41. Conditions (source text, in Korean): 화학물질명: α-테르피넨 (CAS No. 99-86-5)
Recorded cosmetics that contain it
2 recorded products list it, according to Open Beauty Facts contributors. Records are dated: the formula may have changed. See the list (page in French).
Glossary: Commission Implementing Decision (EU) 2025/1175. Page updated on 21 October 2026.