STYRENE/ACRYLATES COPOLYMER
Official label name (INCIInternational name of cosmetic ingredients: the one printed on the pack. name, EU glossary of cosmetic ingredient names), No 27986
- Prohibited in nano form (Annex II)
STYRENE/ACRYLATES COPOLYMER: Prohibited in nano form (Annex II, entry 1725), under Regulation (EC) No 1223/2009. Annexes of the Regulation consulted on 23 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
No harmonised classification for sensitisation, irritation or eye damage, and no obligation to label it as an allergen.
Environment
No harmonised classification as hazardous to the aquatic environment, and it is not on ECHAEuropean Chemicals Agency.'s Candidate List as an endocrine disruptor for the environment.
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.
Opacifying: reduces transparency or translucency of cosmetics.
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Definitions of functions (decision repealed on 8 May 2020, cited for information).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
Only the nanomaterial form is prohibited; the non-nano form is not covered by this entry. On an ingredient list, the nanomaterial form is marked [nano].
CosIng, Annex II of Regulation (EC) No 1223/2009 (prohibited substances), retrieved 23 October 2026, source updated 13 October 2026.
Origin and odour
Compound made by synthesis (based on its INCI name: polymer, silicone or ethoxylated derivative).
Basis: explicit pattern in the INCI name.
CosIng, inventory of cosmetic ingredients (INCI names, CAS, EC, functions), retrieved 21 October 2026.
Present in 2.8% of recorded cosmetics (528 out of 18 968), mainly: shower gels, crèmes douche, shampoos.
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 nano form
CosIng links the name STYRENE/ACRYLATES COPOLYMER to this entry. The cases of prohibition are explained above, in “In plain words”; the official title is given below.
- Entry
- Annex II, No 1725
- Substance
- Styrene/Acrylates copolymer (nano) [INCI] Sodium Styrene/Acrylates copolymer (nano) [INCI]
- CAS
- 9010-92-8
- EC
- 927-710-1
Dates in the act (3)
- Entry into force on 4 April 2024
- Placing on the market from 1 February 2025
From 1 February 2025 cosmetic products containing that substance shall not be placed on the Union market
- Making available from 1 November 2025
From 1 November 2025 cosmetic products containing that substance shall not be made available on the Union market
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 1725. CosIng, Annex II of Regulation (EC) No 1223/2009 (prohibited substances), retrieved 23 October 2026, source updated 13 October 2026.
Entry from Regulation (EU) 2024/858, adopted on 14 March 2024.
SCCSEU Scientific Committee on Consumer Safety: it assesses cosmetic ingredients. opinions cited: OPINION ON Styrene/Acrylates copolymer (nano) and Sodium styrene/Acrylates copolymer (nano); SCIENTIFIC ADVICE on the safety of nanomaterials in cosmetics.
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.
Annex II, entry 1725: introduced or replaced by Regulation (EU) 2024/858
Annex II, entry 1725: a new product that does not comply can no longer be placed on the market
Annex II, entry 1725: a product that does not comply can no longer be sold, even from stock
Identity
- CosIng identifier
- 79303
- CAS (according to CosIng)
- 25034-86-0, 25085-34-1, 27306-39-4, 9010-92-8
- Declared functions
- Film forming, Opacifying
CosIng cites 4 CAS numbers for this name: it covers several substances.
CosIng inventory. CosIng, inventory of cosmetic ingredients (INCI names, CAS, EC, functions), retrieved 21 October 2026.
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.
| Country | Rule | Maximum concentration cited |
|---|---|---|
| European Union | Prohibited in nano form | not cited |
| United Kingdom | No specific rule in the Cosmetics Regulation differs from the EU | not cited |
| Switzerland | EU Regulation applies | not cited |
| United States (federal) | No federal rule recorded | not cited |
| Japan | No entry in the lists recorded | not cited |
| South Korea | No entry in the lists recorded | not cited |
| China | Not on the prohibited lists recorded (lists of allowed substances are not recorded) | not cited |
| Australia | No entry in the lists recorded | not cited |
| Brazil | No entry in the lists recorded | not cited |
United Kingdom (Great Britain)
- No specific rule in the Cosmetics Regulation
Entry 1725 of Annex II of EU law (Regulation (EU) 2024/858) 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).
Switzerland, FDHA Ordinance on Cosmetic Products (OCos, SR 817.023.31), consolidated version, retrieved 22 October 2026.
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
528 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 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.