ACID RED 18
ACID RED 18 is a cosmetic ingredient classified as Hair Dyeing. Also known as CAS 2611-82-7. It is regulated in 15 markets including UAE, Bahrain, European Union.
Also Known As
- CAS Number
- 2611-82-7
Market Overview — 29 Markets
Detailed Regulations
Europe4 regulations
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and aluminium lake (Cl 16255) (see note 17).
- CAS
- 2611-82-7 - 12227-64-4
- Max concentration
- 0.5%
- Product type
- Hair dye substance in non-oxidative hair dye products
Source: EC 1223/2009 Annex III
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and its insoluble barium, strontium and zirconium lakes, salts and pigments
- CAS
- 2611-82-7
- Conditions of use
- Purity criteria as set out in Commission Directive 95/45/EC (E 124)
- Color Index
- CI 16255
Source: EC 1223/2009 Annex IV
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4′,6,8-trisulphonate and aluminium lake ; (CI 16255)
- CAS
- 2611-82-7 / 12227-64-4
- Max concentration
- 0,5 %
- Product type
- Hair dye substance in non-oxidative hair dye products
- Conditions of use
- Max: 0,5 %
Source: UK retained EC 1223/2009 Annex III
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and its insoluble barium, strontium and zirconium lakes, salts and pigments
- Other conditions
- Purity criteria as set out in Commission Directive 95/45/EC (E 124)
- Color Index
- 16255
Source: UK retained EC 1223/2009 Annex IV
AmericasNo restrictions
No specific restrictions for ACID RED 18 in United States, California, Maryland, Washington, Canada, Brazil.
East Asia & Oceania1 regulation
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and aluminium lake (CI 16255)
- CAS
- 2611-82-7/ 12227-64-4
- Max concentration
- 0.5%
- Product type
- Non-oxidative hair dye products
Source: TFDA Cosmetics Regulations
ASEAN6 regulations
- Chemical name
- Trisodium 1-(1-naphthylazo)-2- hydroxynaphthalene-4′,6,8- trisulphonate and aluminium lake Acid Red 18 / Acid Red 18 Aluminum lakeCI 16255
- CAS
- 2611-82-7
- Max concentration
- 0.5%
- Product type
- Hair dye substance in non- oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
- Conditions of use
- The free base and salts of this hair colouring ingredient, unless prohibited under Annex II, are permitted for use. The direction for use 'wear suitable gloves' must be included in label or leaflet text. | Label: Do not use to dye eyelashes or eyebrows
Source: ASEAN Cosmetic Directive (HSA Dec 2025)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2- hydroxynaphthalene-4′,6,8- trisulphonate and aluminium lake Acid Red 18 / Acid Red 18 Aluminum lakeCI 16255
- CAS
- 2611-82-7
- Max concentration
- 0.5%
- Product type
- Hair dye substance in non- oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
- Conditions of use
- The free base and salts of this hair colouring ingredient, unless prohibited under Annex II, are permitted for use. The direction for use 'wear suitable gloves' must be included in label or leaflet text. | Label: Do not use to dye eyelashes or eyebrows
Source: ASEAN Cosmetic Directive (HSA Dec 2025)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2- hydroxynaphthalene-4′,6,8- trisulphonate and aluminium lake Acid Red 18 / Acid Red 18 Aluminum lakeCI 16255
- CAS
- 2611-82-7
- Max concentration
- 0.5%
- Product type
- Hair dye substance in non- oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
- Conditions of use
- The free base and salts of this hair colouring ingredient, unless prohibited under Annex II, are permitted for use. The direction for use 'wear suitable gloves' must be included in label or leaflet text. | Label: Do not use to dye eyelashes or eyebrows
Source: ASEAN Cosmetic Directive (HSA Dec 2025)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2- hydroxynaphthalene-4′,6,8- trisulphonate and aluminium lake Acid Red 18 / Acid Red 18 Aluminum lakeCI 16255
- CAS
- 2611-82-7
- Max concentration
- 0.5%
- Product type
- Hair dye substance in non- oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
- Conditions of use
- The free base and salts of this hair colouring ingredient, unless prohibited under Annex II, are permitted for use. The direction for use 'wear suitable gloves' must be included in label or leaflet text. | Label: Do not use to dye eyelashes or eyebrows
Source: ASEAN Cosmetic Directive (HSA Dec 2025)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2- hydroxynaphthalene-4′,6,8- trisulphonate and aluminium lake Acid Red 18 / Acid Red 18 Aluminum lakeCI 16255
- CAS
- 2611-82-7
- Max concentration
- 0.5%
- Product type
- Hair dye substance in non- oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
- Conditions of use
- The free base and salts of this hair colouring ingredient, unless prohibited under Annex II, are permitted for use. The direction for use 'wear suitable gloves' must be included in label or leaflet text. | Label: Do not use to dye eyelashes or eyebrows
Source: ASEAN Cosmetic Directive (HSA Dec 2025)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2- hydroxynaphthalene-4′,6,8- trisulphonate and aluminium lake Acid Red 18 / Acid Red 18 Aluminum lakeCI 16255
- CAS
- 2611-82-7
- Max concentration
- 0.5%
- Product type
- Hair dye substance in non- oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
- Conditions of use
- The free base and salts of this hair colouring ingredient, unless prohibited under Annex II, are permitted for use. The direction for use 'wear suitable gloves' must be included in label or leaflet text. | Label: Do not use to dye eyelashes or eyebrows
Source: ASEAN Cosmetic Directive (HSA Dec 2025)
GCC12 regulations
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and aluminium lake (Cl 16255) (see note 17).
- CAS
- 2611-82-7 - 12227-64-4
- Max concentration
- 0.5%
- Product type
- Hair dye substance in non-oxidative hair dye products
Source: GSO 1943:2024 (based on EU 1223/2009 III)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and its insoluble barium, strontium and zirconium lakes, salts and pigments
- CAS
- 2611-82-7
- Conditions of use
- Purity criteria as set out in Commission Directive 95/45/EC (E 124)
- Color Index
- CI 16255
Source: GSO 1943:2024 (based on EU 1223/2009 IV)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and aluminium lake (Cl 16255) (see note 17).
- CAS
- 2611-82-7 - 12227-64-4
- Max concentration
- 0.5%
- Product type
- Hair dye substance in non-oxidative hair dye products
Source: GSO 1943:2024 (based on EU 1223/2009 III)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and its insoluble barium, strontium and zirconium lakes, salts and pigments
- CAS
- 2611-82-7
- Conditions of use
- Purity criteria as set out in Commission Directive 95/45/EC (E 124)
- Color Index
- CI 16255
Source: GSO 1943:2024 (based on EU 1223/2009 IV)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and aluminium lake (Cl 16255) (see note 17).
- CAS
- 2611-82-7 - 12227-64-4
- Max concentration
- 0.5%
- Product type
- Hair dye substance in non-oxidative hair dye products
Source: GSO 1943:2024 (based on EU 1223/2009 III)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and its insoluble barium, strontium and zirconium lakes, salts and pigments
- CAS
- 2611-82-7
- Conditions of use
- Purity criteria as set out in Commission Directive 95/45/EC (E 124)
- Color Index
- CI 16255
Source: GSO 1943:2024 (based on EU 1223/2009 IV)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and aluminium lake (Cl 16255) (see note 17).
- CAS
- 2611-82-7 - 12227-64-4
- Max concentration
- 0.5%
- Product type
- Hair dye substance in non-oxidative hair dye products
Source: GSO 1943:2024 (based on EU 1223/2009 III)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and its insoluble barium, strontium and zirconium lakes, salts and pigments
- CAS
- 2611-82-7
- Conditions of use
- Purity criteria as set out in Commission Directive 95/45/EC (E 124)
- Color Index
- CI 16255
Source: GSO 1943:2024 (based on EU 1223/2009 IV)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and aluminium lake (Cl 16255) (see note 17).
- CAS
- 2611-82-7 - 12227-64-4
- Max concentration
- 0.5%
- Product type
- Hair dye substance in non-oxidative hair dye products
Source: GSO 1943:2024 (based on EU 1223/2009 III)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and its insoluble barium, strontium and zirconium lakes, salts and pigments
- CAS
- 2611-82-7
- Conditions of use
- Purity criteria as set out in Commission Directive 95/45/EC (E 124)
- Color Index
- CI 16255
Source: GSO 1943:2024 (based on EU 1223/2009 IV)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and aluminium lake (Cl 16255) (see note 17).
- CAS
- 2611-82-7 - 12227-64-4
- Max concentration
- 0.5%
- Product type
- Hair dye substance in non-oxidative hair dye products
Source: GSO 1943:2024 (based on EU 1223/2009 III)
- Chemical name
- Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and its insoluble barium, strontium and zirconium lakes, salts and pigments
- CAS
- 2611-82-7
- Conditions of use
- Purity criteria as set out in Commission Directive 95/45/EC (E 124)
- Color Index
- CI 16255
Source: GSO 1943:2024 (based on EU 1223/2009 IV)
EAEUNo restrictions
No specific restrictions for ACID RED 18 in Russia, Belarus, Kazakhstan, Armenia, Kyrgyzstan.
Frequently Asked Questions
Is ACID RED 18 banned in any country?
ACID RED 18 is not banned in any of the 26 markets tracked by Formpli. However, it may be subject to restrictions or conditions of use in some markets.
What are the restrictions on ACID RED 18 in cosmetics?
ACID RED 18 is restricted or has conditions of use in UAE, Bahrain, European Union, Indonesia, Kuwait, Malaysia, Oman, Philippines, Qatar, Saudi Arabia, Singapore, Thailand, Taiwan, United Kingdom, Vietnam. Restrictions may include maximum concentration limits, product type limitations, or mandatory labeling requirements. See the detailed regulations above for specifics.
Can I use ACID RED 18 in cosmetics?
ACID RED 18 is regulated in 15 markets. It has restrictions in UAE, Bahrain, European Union, Indonesia, Kuwait, Malaysia, Oman, Philippines, Qatar, Saudi Arabia, Singapore, Thailand, Taiwan, United Kingdom, Vietnam. Use Formpli's free screening tool to check your full ingredient list against all 26 markets at once.
Screen ACID RED 18 with your full formula
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Check Ingredients FreeThis information is for reference only and does not constitute legal or regulatory advice. Regulations change — always verify with official sources and consult a regulatory specialist before exporting cosmetic products. Data sourced from EU COSING, US FDA, Health Canada, MHLW Japan, MFDS Korea, ASEAN ACD, GCC SFDA, TGA Australia, ANVISA Brazil, EAEU TR CU, and Taiwan TFDA.