ACID RED 33
Official label name (INCIInternational name of cosmetic ingredients: the one printed on the pack. name, EU glossary of cosmetic ingredient names), No 868
- Allowed with restrictions (Annex III)
- Colorant allowed under conditions (Annex IV)
ACID RED 33: Allowed with restrictions, maximum 0.5% in the ready-for-use preparation, only in: Hair dye substance in non-oxidative hair dye products (Annex III, entry 254); colorant allowed under conditions (Annex IV, entry 37), under Regulation (EC) No 1223/2009. Annexes of the Regulation consulted on 21 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 official 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:
Hair dyeing: colours hair.
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Definitions of functions (decision repealed on 8 May 2020, cited for information).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
Allowed, with restrictions: Annex III sets a maximum concentration and the product types allowed. Ingredient lists do not give quantities, so the concentration cannot be checked on the label.
An ingredient can be used as a colorant only if it appears on the list of Annex IV. ACID RED 33 is on it, with no maximum concentration or restriction of use in this entry.
CosIng, Annex III of Regulation (EC) No 1223/2009 (restricted substances), retrieved 21 October 2026, source updated 13 October 2026.
CosIng, Annex IV of Regulation (EC) No 1223/2009 (allowed colorants), retrieved 21 October 2026, source updated 13 October 2026.
The text of the annexes
Allowed with restrictions
- Product type
- Hair dye substance in non-oxidative hair dye products
- Maximum concentration
- 0.5%
- Entry
- Annex III, No 254
- Substance
- Disodium 5-amino-4-hydroxy-3-(phenylazo)naphathlene-2,7-disulphonate (see note 17); (CI 17200)
- Glossary names
- ACID RED 33
- CAS
- 3567-66-6
- EC
- 222-656-9
Dates in the act (2)
- Entry into force on 15 May 2013
- Application from 11 July 2013
It shall apply from 11 July 2013.
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 III, entry 254. CosIng, Annex III of Regulation (EC) No 1223/2009 (restricted substances), retrieved 21 October 2026, source updated 13 October 2026.
Entry from Regulation (EU) n° 344/2013, adopted on 4 April 2013.
SCCSEU Scientific Committee on Consumer Safety: it assesses cosmetic ingredients. opinions cited: Request for a Re-evaluation of hair dyes listed in Annex III to Directive 76/768/EEC on Cosmetic Products; Opinion concerning Use of Permanent Hair Dyes and Bladder Cancer - Updated 2004; Opinion on Personal Use of Hair Dyes and Cancer Risk; Opinion on the Use of Permanent Hair Dyes and Bladder Cancer Risk; Assessment Strategies for Hair Dyes; Opinion on Acid Red No. 33.
Colorant allowed under conditions
This entry covers the same substance as ACID RED 33 (same CAS number in the CosIng inventory): its conditions apply.
- Entry
- Annex IV, No 37
- Substance
- Disodium 5-amino-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonate and its unsoluble barium, strontium and zirconium lakes, salts and pigments
- Glossary names
- CI 17200
- CAS
- 3567-66-6
- EC
- 222-656-9
Regulation (EC) No 1223/2009, Annex IV, entry 37. CosIng, Annex IV of Regulation (EC) No 1223/2009 (allowed colorants), retrieved 21 October 2026, source updated 13 October 2026.
Entry from Regulation (EC) No 1223/2009, adopted on 30 November 2009.
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 IV, entry 37: introduced or replaced by Regulation (EC) No 1223/2009
Annex III, entry 254: introduced or replaced by Regulation (EU) n° 344/2013
Annex III, entry 254: applies from this date
Annex IV, entry 37: applies from this date
Identity
- CosIng identifier
- 31627
- CAS (according to CosIng)
- 3567-66-6
- EC (according to CosIng)
- 222-656-9
- Declared functions
- Hair dyeing
The CAS number cited by CosIng also covers 1 other INCI name: it designates a family of substances, not this ingredient alone.
CosIng inventory. CosIng, inventory of cosmetic ingredients (INCI names, CAS, EC, functions), retrieved 21 October 2026.
EU product alerts (Safety Gate)
1 alert 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.
- 22 March 2024: Whitening serum, IVISMILE, Bulgaria (“Serious risk”) alert
The label of the product indicates that the product contains the colorants (acid red 33 and acid blue 9) which are forbidden in cosmetic products for oral use. These colorants are harmful if swallowed and may cause stomach discomfort. The product does not…
Safety Gate, EU rapid alert system for dangerous non-food products: cosmetic alerts from the weekly reports, retrieved 22 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.
| Country | Rule | Maximum concentration cited |
|---|---|---|
| European Union | Allowed with restrictions | 0.5% |
| United Kingdom | Allowed with restrictions | 0.5% |
| Switzerland | EU Regulation applies | 0.5% |
| 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)
- Allowed with restrictions (Annex III)
- Colorant allowed under conditions (Annex IV)
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).
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
2 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 21 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 21 October 2026.