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Great Britain cosmetic ingredient regulations

GB rules must be versioned separately from EU rules as they diverge.

Regulator
Office for Product Safety and Standards
Source language
English
Coverage version
GB retained Regulation 1223/2009 schedules, effective 15 August 2026

Official ingredient records

2329 matching records
Permitted list with conditionsBinding ruleOriginal is EnglishOfficial-source import checked

2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]

The consolidated GB Cosmetics Regulation lists this record in Annex IV.

Conditions: Rinse-off products · Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm

Source:GB Cosmetics Regulation, Annex IV, entry 47 · version 2026-08-15 · effective Aug. 15, 2026 · source checked 2026-08-30

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Permitted list with conditionsBinding ruleOriginal is EnglishOfficial-source import checked

2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]

The consolidated GB Cosmetics Regulation lists this record in Annex IV.

Conditions: Rinse-off products · Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm

Source:GB Cosmetics Regulation, Annex IV, entry 48 · version 2026-08-15 · effective Aug. 15, 2026 · source checked 2026-08-30

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RestrictedBinding ruleOriginal is EnglishOfficial-source import checked

2,3-Diaminodihydropyrazolopyrazolone Dimethosulfonate

CAS 857035-95-1 · EC 469-500-8

The consolidated GB Cosmetics Regulation lists this record in Annex III.

Conditions: Hair dye substance in oxidative hair dye products · After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2,0% · To be printed on the label: The mixing ratio. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “ black henna ” tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary “ black henna ” tattoo in the past. Hair colorants can cause severe allergic reactions.

Source:GB Cosmetics Regulation, Annex III, entry 279 · version 2026-08-15 · effective Aug. 15, 2026 · source checked 2026-08-30

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RestrictedBinding ruleOriginal is EnglishOfficial-source import checked

2,4-Diaminophenoxyethanol HCl2,4-Diaminophenoxyethanol sulfate

CAS 70643-19-5; 66422-95-5; 70643-20-8 · EC 266-357-1

The consolidated GB Cosmetics Regulation lists this record in Annex III.

Conditions: – /266-357-1/274-713-2 · (a) Hair dye substance in oxidative hair dye products · For (a) and (b): After mixing under oxidative conditions the maximum concentration applied to hair or eyelashes must not exceed 2,0% (as hydrochloride) · (a) To be printed on the label: The mixing ratio. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “ black henna ” tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary “ black henna ” tattoo in the past. Hair colorants can cause severe allergic reactions.

Source:GB Cosmetics Regulation, Annex III, entry 242 · version 2026-08-15 · effective Aug. 15, 2026 · source checked 2026-08-30

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RestrictedBinding ruleOriginal is EnglishOfficial-source import checked

2,5,6-Triamino-4-Pyrimidinol Sulfate

CAS 1603-02-7 · EC 216-500-9

The consolidated GB Cosmetics Regulation lists this record in Annex III.

Conditions: Hair dye substance in oxidative hair dye products · As from 3 September 2017 , after mixing under oxidative conditions the maximum concentration applied to hair must not exceed 0,5% · As from 3 March 2018 , to be printed on the label: The mixing ratio. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “ black henna ” tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary “ black henna ” tattoo in the past. Hair colourants can cause severe allergic reactions.

Source:GB Cosmetics Regulation, Annex III, entry 301 · version 2026-08-15 · effective Aug. 15, 2026 · source checked 2026-08-30

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RestrictedBinding ruleOriginal is EnglishOfficial-source import checked

2,6-Diamino-3-((Pyridine-3-yl)azo)Pyridine

CAS 28365-08-4 · EC 421-430-9

The consolidated GB Cosmetics Regulation lists this record in Annex III.

Conditions: (a) Hair dye substance in oxidative hair dye products · (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 0,25% · (a) To be printed on the label: The mixing ratio. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “ black henna ” tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary “ black henna ” tattoo in the past. Hair colorants can cause severe allergic reactions.

Source:GB Cosmetics Regulation, Annex III, entry 277 · version 2026-08-15 · effective Aug. 15, 2026 · source checked 2026-08-30

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RestrictedBinding ruleOriginal is EnglishOfficial-source import checked

2,6-Diaminopyridine

CAS 141-86-6 · EC 205-507-2

The consolidated GB Cosmetics Regulation lists this record in Annex III.

Conditions: (a) Hair dye substance in oxidative hair dye products · For (a) and (b): After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 0,15% · (a) To be printed on the label: The mixing ratio. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “ black henna ” tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary “ black henna ” tattoo in the past. Hair colorants can cause severe allergic reactions.

Source:GB Cosmetics Regulation, Annex III, entry 285 · version 2026-08-15 · effective Aug. 15, 2026 · source checked 2026-08-30

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RestrictedBinding ruleOriginal is EnglishOfficial-source import checked

2,6-Dihydroxy-3,4-dimethylpyridine

CAS 84540-47-6 · EC 283-141-2

The consolidated GB Cosmetics Regulation lists this record in Annex III.

Conditions: Hair dye substance in oxidative hair dye products · After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1,0% · To be printed on the label: The mixing ratio. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “ black henna ” tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary “ black henna ” tattoo in the past. Hair colourants can cause severe allergic reactions.

Source:GB Cosmetics Regulation, Annex III, entry 218 · version 2026-08-15 · effective Aug. 15, 2026 · source checked 2026-08-30

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RestrictedBinding ruleOriginal is EnglishOfficial-source import checked

2,6-Dihydroxyethylaminotoluene

CAS 149330-25-6 · EC 443-210-1

The consolidated GB Cosmetics Regulation lists this record in Annex III.

Conditions: Hair dye substance in oxidative hair dye products · As from 3 September 2017 , after mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1,0% Do not use with nitrosating agents Maximum nitrosamine content: 50 μg/kg Keep in nitrite-free containers · As from 3 March 2018 , to be printed on the label: The mixing ratio. Hair colourants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “ black henna ” tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary “ black henna ” tattoo in the past .

Source:GB Cosmetics Regulation, Annex III, entry 9b · version 2026-08-15 · effective Aug. 15, 2026 · source checked 2026-08-30

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RestrictedBinding ruleOriginal is EnglishOfficial-source import checked

2,6-Dimethoxy-3,5-pyridinediamine2,6-Dimethoxy-3,5-pyridinediamine HCl

CAS 56216-28-5; 85679-78-3 · EC 260-062-1

The consolidated GB Cosmetics Regulation lists this record in Annex III.

Conditions: 260-062-1 / — · Hair dye substance in oxidative hair dye products · After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 0,25% (as hydrochloride) · To be printed on the label: The mixing ratio. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “ black henna ” tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary “ black henna ” tattoo in the past. Hair colourants can cause severe allergic reactions.

Source:GB Cosmetics Regulation, Annex III, entry 232 · version 2026-08-15 · effective Aug. 15, 2026 · source checked 2026-08-30

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Market coverage contract

Complete consolidated annex dataset
Included scope
Current consolidated Annexes II–VI for England, Scotland and Wales.
If no match is found
No annex match is not approval and does not cover Northern Ireland, which follows the applicable EU framework.

Complete verification checklist

  1. Confirm INCI/CAS/EC identity.
  2. Review every current GB Annex II–VI match.
  3. Check commencement dates and later statutory instruments.
  4. Verify SCPN, responsible-person, safety-report and labelling duties.

Official sources and legal role

Great Britain Cosmetics Regulation — consolidated Annexes II–VI and amendments

Complete consolidated GB Annexes II–VI, with later amendments versioned separately

Legal meaning: Binding GB schedules and versioned amendments to retained Regulation 1223/2009; applies to England, Wales and Scotland, not Northern Ireland

Available language: English

Contains public sector information licensed under the Open Government Licence v3.0.

What this market page can answer

Source and authority

Identify the official material and the regulator responsible for it: Office for Product Safety and Standards.

Language and scope

See whether usable English or bilingual material exists and what the mapped source actually covers. Current source language: English.

Evidence status

Browse ingredient-level records imported from official sources. Each row states whether it passed deterministic source checks or human editorial review.

How to verify an ingredient for this market

  1. Search the ingredient by INCI name, CAS number or EC number and record the exact identity.
  2. Open each official source above and check the current version, product scope, concentration limits and required warnings.
  3. Confirm effective dates and whether an English text is official, reviewed or only contextual.
  4. Treat a missing local match as unknown, never as permission or a safety conclusion.
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