Compoatlas

TRIMETHYLOLPROPANE TRIACRYLATE

Official label name (INCIInternational name of cosmetic ingredients: the one printed on the pack. name, EU glossary of cosmetic ingredient names), No 29283

TRIMETHYLOLPROPANE TRIACRYLATE: Prohibited in cosmetics (Annex II, entry 1718), under Regulation (EC) No 1223/2009. Good to know: classified carcinogenic (category 2); classified as a sensitiser (skin allergy); hazardous to the aquatic environment. Annexes of the Regulation consulted on 23 October 2026.

Who it concerns

This ingredient is prohibited in cosmetics in the European Union: what follows describes its hazards, not a permitted use.

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

    Prohibited in cosmetics in the European Union for everyone, whatever the age or situation: no specific condition is therefore needed for this group.

  • Babies and children

    Prohibited in cosmetics in the European Union for everyone, whatever the age or situation: no specific condition is therefore needed for this group.

  • 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 Classified under the CLPEU regulation that classifies chemicals by their hazards (EC No 1272/2008). Regulation: skin irritation, category 2 (Skin Irrit. 2); eye irritation, category 2 (Eye Irrit. 2); skin sensitisation, category 1 (Skin Sens. 1).

  • Environment

    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 Classified under the CLP Regulation: hazardous to the aquatic environment, short term, category 1 (Aquatic Acute 1); hazardous to the aquatic environment, long term, category 1 (Aquatic Chronic 1).

  • 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:

Film forming: produces, upon application, a continuous film on skin, hair or nails.

Hair conditioning: leaves the hair easy to comb, supple, soft and shiny and/or imparts volume, lightness, gloss, etc.

Hair fixing: permits physical control of hairstyle.

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

It is prohibited to use it in a cosmetic product sold in the European Union, whatever the dose. If it appears on the ingredient list of a recent product, this needs checking: the record may be old or wrong, or the product intended for another market.

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

Hazard and risk

The CLP Regulation classifies this substance as carcinogenic, category 2 (suspected effect, without enough evidence for a higher category).

This classification describes what the substance can cause (a hazard), not what happens when using a product (a risk): the risk depends on the dose, the form and the route of exposure (skin, inhalation, ingestion).

Already prohibited in cosmetics (Annex II).

Origin and odour

Compound made by synthesis (based on its INCI name: polymer, silicone or ethoxylated derivative).

Basis: explicit pattern in the INCI name.

Other names: triacrylate de triméthylolpropane (French), Trimethylolpropantriacrylat (German), Triacrilato de trimetilolpropano (Spanish), triacrilato de trimetilolpropano (Portuguese).

Present in 0.0% of recorded cosmetics (1 out of 18 968).

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

Prohibited in cosmetics

CosIng links the name TRIMETHYLOLPROPANE TRIACRYLATE to this Annex II entry.

Entry
Annex II, No 1718
Substance
2-ethyl-2-[[(1-oxoallyl)oxy]methyl]-1,3-propanediyl diacrylate; 2,2-bis(acryloyloxymethyl)butyl acrylate; trimethylolpropane triacrylate;
CAS
15625-89-5
EC
239-701-3
Dates in the act (2)
  • Entry into force on 9 August 2023
  • Application from 1 December 2023
    It shall apply from 1 December 2023.

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 II, entry 1718. CosIng, Annex II of Regulation (EC) No 1223/2009 (prohibited substances), retrieved 23 October 2026, source updated 13 October 2026.

Entry from Regulation (EU) 2023/1490, adopted on 19 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 II, entry 1718: introduced or replaced by Regulation (EU) 2023/1490

  2. CLP classification “Carc. 2” applicable at the latest from this date (Regulation (EU) 2022/692)

  3. Annex II, entry 1718: applies from this date

Identity

CosIng identifier
59859
CAS (according to CosIng)
15625-89-5
EC (according to CosIng)
239-701-3
Declared functions
Film forming, Hair conditioning, Hair fixing
Wikidata
Q7670760
PubChem
27423
ECHA InfoCard
100.036.077
InChIKey
DAKWPKUUDNSNPN-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 ECHAEuropean Chemicals Agency. 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.

2-ethyl-2-[[(1-oxoallyl)oxy]methyl]-1,3-propanediyl diacrylate; 2,2-bis(acryloyloxymethyl)butyl acrylate; trimethylolpropane triacrylate

Carcinogenicity, category 2 (Carc. 2)

Hazard classes
Carcinogenicity, category 2 (Carc. 2)
Skin irritation, category 2 (Skin Irrit. 2)
Eye irritation, category 2 (Eye Irrit. 2)
Skin sensitisation, category 1 (Skin Sens. 1)
Hazardous to the aquatic environment, short term, category 1 (Aquatic Acute 1)
Hazardous to the aquatic environment, long term, category 1 (Aquatic Chronic 1)
Hazard statements
H351 H315 H319 H317 H400 H410
CLP notes
D

Annex VI, entry 607-111-00-9, linked by CAS 15625-89-5. Regulation (EC) No 1272/2008 (CLP), consolidated version, Annex VI table 3, retrieved 21 October 2026.

Entry introduced or replaced by Regulation (EU) 2022/692, applicable at the latest from 23 November 2023.

EU product alerts (Safety Gate)

19 alerts on cosmetic products cite this name in their hazard description. An alert targets a specific product, not the ingredient itself. Under each alert, its reason (prohibited substance, limit exceeded, missing labelling, and so on), as published.

The 10 most recent are listed below. All alerts.

  • 9 January 2026: Gel nail polish, CR CAIRUO, Czechia (“Serious risk”) alert
    According to the list of ingredients, the product contains Trimethylolpropane Triacrylate (TMPTA), which is prohibited in cosmetic products. TMPTA can cause skin and eye irritation and might cause cancer. Furthermore, according to the list of ingredients, the…
  • 12 December 2025: Nail gel, NailsUp, Germany (“Serious risk”) alert
    According to the list of ingredients, the product contains trimethylolpropane triacrylate, which use is prohibited in cosmetic products. Trimethylolpropane triacrylate can cause skin and eye irritation and might cause cancer. The product does not comply with…
  • 30 May 2025: Nail varnish, Em Milano ®, Italy (“Serious risk”) alert
    According to the list of ingredients, the product contains trimethylolpropane triacrylate, which use is prohibited in cosmetic products. Trimethylolpropane triacrylate can cause skin and eye irritation and might cause cancer. The product does not comply with…
7 other alerts
  • 30 May 2025: Nail varnish, Em Milano ®, Italy (“Serious risk”) alert
    According to the list of ingredients, the product contains trimethylolpropane triacrylate, which use is prohibited in cosmetic products. Trimethylolpropane triacrylate can cause skin and eye irritation and might cause cancer. The product does not comply with…
  • 30 May 2025: Nail varnish, Em Milano ®, Italy (“Serious risk”) alert
    According to the list of ingredients, the product contains trimethylolpropane triacrylate, which use is prohibited in cosmetic products. Trimethylolpropane triacrylate can cause skin and eye irritation and might cause cancer. The product does not comply with…
  • 30 May 2025: Nail varnish, Betty ®, Italy (“Serious risk”) alert
    According to the list of ingredients, the product contains trimethylolpropane triacrylate, which use is prohibited in cosmetic products. Trimethylolpropane triacrylate can cause skin and eye irritation and might cause cancer. The product does not comply with…
  • 23 May 2025: UV nail gel, Kiss Oumi ® Italia, Italy (“Serious risk”) alert
    According to the list of ingredients, the product contains trimethylolpropane triacrylate, which use is prohibited in cosmetic products. Trimethylolpropane triacrylate can cause skin and eye irritation and might cause cancer. The product does not comply with…
  • 23 May 2025: UV nail gel, Yes • J&Y®, Italy (“Serious risk”) alert
    According to the list of ingredients, the product contains trimethylolpropane triacrylate, which use is prohibited in cosmetic products. Trimethylolpropane triacrylate can cause skin and eye irritation and might cause cancer. The product does not comply with…
  • 23 May 2025: Nail varnish, Kiss Oumi ® Italia, Italy (“Serious risk”) alert
    According to the list of ingredients, the product contains trimethylolpropane triacrylate, which use is prohibited in cosmetic products. Trimethylolpropane triacrylate can cause skin and eye irritation and might cause cancer. The product does not comply with…
  • 23 May 2025: Nail varnish, Yes • J&Y ®, Italy (“Serious risk”) alert
    According to the list of ingredients, the product contains trimethylolpropane triacrylate, which use is prohibited in cosmetic products. Trimethylolpropane triacrylate can cause skin and eye irritation and might cause cancer. The product does not comply with…

Safety Gate, EU rapid alert system for dangerous non-food products: cosmetic alerts from the weekly reports, retrieved 23 October 2026.

Source: European Commission, Safety GateEU rapid alert system for dangerous non-food products. weekly reports (CC0).

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: TRIMETHYLOLPROPANE TRIACRYLATE
CountryRuleMaximum concentration cited
European UnionProhibited in cosmeticsnot cited
United KingdomProhibited in cosmeticsnot cited
SwitzerlandEU Regulation appliesnot cited
United States (federal)No federal rule 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
BrazilNo entry in the lists recordednot cited

United Kingdom (Great Britain)

  • Prohibited in cosmetics (Annex II)

Same entries as in the European Union. Their maximum concentrations are compared in the “Comparison between countries” table; other conditions (product types, warnings) may differ.

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.

Recorded cosmetics that contain it

1 recorded product 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 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.

Glossary: Commission Implementing Decision (EU) 2025/1175. Page updated on 23 October 2026.

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