TERPINOLENE
TERPINOLENE is identified as a fragrance allergen subject to mandatory label declaration under Regulation (EC) No 1223/2009.
Regulatory status as of 2026-08-28 (per the CosIng database).
About the ingredient
p-Mentha-1,4(8)-diene; 1-Methyl-4-isopropylidene-1-cyclohexene; Terpinene
EU regulatory status
Annex of Regulation (EC) No 1223/2009: III/133
Source: the European Commission's official CosIng database and Regulation (EC) No 1223/2009 of the European Parliament and of the Council on cosmetic products. How we assess ingredients — full methodology.
- View the entry in the CosIng database (European Commission)
- Open Regulation 1223/2009 in EUR-Lex
- Check the chemical profile in PubChem
Last updated:
New labelling obligation
TERPINOLENE is on the extended fragrance-allergen list of Regulation (EU) 2023/1545. Products placed on the market after 31 July 2026 must name it on the label when its concentration exceeds 0.001% (leave-on) or 0.01% (rinse-off).
The full list of new allergens and the deadlines — read the articleFunctions in cosmetics
Frequently asked questions
Is TERPINOLENE safe in cosmetics?
TERPINOLENE is one of the 26 EU fragrance allergens whose presence must be declared on the label when its concentration exceeds 0.001% in leave-on products or 0.01% in rinse-off products.
In which annex of Regulation 1223/2009 is TERPINOLENE listed?
TERPINOLENE is listed under reference III/133 in the annexes of Regulation (EC) No 1223/2009 on cosmetic products. The first part (Roman numeral) indicates the annex: II – prohibited substances, III – substances restricted by conditions, IV – permitted colorants, V – permitted preservatives, VI – permitted UV filters.
What functions does TERPINOLENE perform in cosmetics?
According to the European Commission's CosIng database, TERPINOLENE performs the following functions in cosmetics: PERFUMING. Functions are defined in the CosIng glossary and describe the technological role of a substance in the finished product.
Are there Safety Gate alerts concerning TERPINOLENE?
Our copy of the EU Safety Gate database currently contains no alerts linking TERPINOLENE to a cosmetic recall. The database is refreshed regularly from the European Commission's official Safety Gate system.