LAURYL ISOQUINOLINIUM BROMIDE
Official label name (INCIInternational name of cosmetic ingredients: the one printed on the pack. name, EU glossary of cosmetic ingredient names), No 15080
- No specific rule in the Cosmetics Regulation
LAURYL ISOQUINOLINIUM BROMIDE: 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. 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:
Antimicrobial: helps control the growth of micro-organisms on the skin.
Antistatic: reduces static electricity by neutralising electrical charge on a surface.
Deodorant: reduces or masks unpleasant body odours.
Cleansing (surfactant): helps to keep the body surface clean.
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.
Origin and odour
No natural occurrence recorded in Wikidata (LOTUS database); this does not prove that the ingredient is synthetic.
Basis: one CosIng CAS, with no natural occurrence recorded in this database.
Wikidata: names of substances in six languages and taxa in which they occur (largely from the LOTUS database), retrieved 23 October 2026.
Present in 0.0% of recorded cosmetics (0 out of 22 609).
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
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 23 October 2026, source updated 13 October 2026.
Identity
- CosIng identifier
- 77071
- CAS (according to CosIng)
- 93-23-2
- EC (according to CosIng)
- 202-230-9
- Declared functions
- Antimicrobial, Antistatic, Deodorant, Surfactant: cleansing
- Wikidata
- Q27236502
- PubChem
- 7132
- ECHA InfoCard
- 100.002.029
- InChIKey
- MSJLMQTXVKCUCD-UHFFFAOYSA-M
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.
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 | No specific rule in the Cosmetics Regulation | not cited |
| United Kingdom | No specific rule in the Cosmetics Regulation | not cited |
| Switzerland | EU Regulation applies | not cited |
| United States (federal) | No federal rule recorded | not cited |
| Canada | No entry in the lists recorded | not cited |
| Japan | No entry in the lists recorded | not cited |
| South Korea | Restricted differs from the EU | 0.05% |
| 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 |
| ASEAN | No entry in the lists recorded | not cited |
| Taiwan | Restricted (conditions or maximum concentration) differs from the EU | 0.05 to 0.5% |
| Brazil | No entry in the lists recorded | not 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).
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.
South Korea
- Restricted: 알킬이소퀴놀리늄브로마이드 (LAURYL ISOQUINOLINIUM BROMIDE)
별표 2, 보존제 성분 (preservatives), entry 30, page 7. Limit: 사용 후 씻어내지 않는 제품에 0.05%.
South Korea, MFDS Regulation on Safety Standards for Cosmetics, Notification 2026-19, retrieved 22 October 2026.
Source: 식품의약품안전처 (MFDS), 화장품 안전기준 등에 관한 규정, via law.go.kr; table formatted by the publisher of this site.
Taiwan
- Restricted (conditions or maximum concentration): Alkylisoquinolinium bromide (Laurylisoquinolinium bromide) (2-Dodecyl isoquinolinium bromide) (Lauryl isoquinolinium bromide)
化粧品成分使用限制表 (restricted substances). Limit: (a)0.5% (b)0.05%.
Conditions, source text, in Chinese
產品類型／使用範圍：(a)立即沖洗產品 (b)其他產品 | 應刊載之注意事項：使用時避免接觸眼睛。
Taiwan, TFDA cosmetic ingredient tables (prohibited, restricted, preservatives, UV filters, colorants), open data, retrieved 24 October 2026.
Source: Taiwan Food and Drug Administration (TFDA), open datasets on data.gov.tw (Open Government Data License, version 1.0); table formatted by the publisher of this site.
Glossary: Commission Implementing Decision (EU) 2025/1175. Page updated on 23 October 2026.