2,6-DIHYDROXY-3,4-DIMETHYLPYRIDINE
6-Hydroxy-3,4- dimethyl-2-pyridone
2,6-DIHYDROXY-3,4-DIMETHYLPYRIDINE is listed in Annex III and may only be used under the conditions shown in this record.
Record details
Product type
Other restrictions
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1,0 %
Warnings
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 tempor
INCI glossary name
2,6-DIHYDROXY-3,4-DIMETHYLPYRIDINE
Chemical name
6-Hydroxy-3,4- dimethyl-2-pyridone
Regulatory information
Regulation
(EC) 2013/344
SCCS opinions
- 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 2,6-Dihydroxy-3,4-dimethylpyridine
- Opinion on 2,6-Dihydroxy-3,4-dimethylpyridine
- Memorandum on Hair Dye Substances and their Skin Sensitising Properties
Identified ingredients
Key data
Inventory links for 2,6-DIHYDROXY-3,4-DIMETHYLPYRIDINE
2,6-DIHYDROXY-3,4-DIMETHYLPYRIDINE
Related records for 2,6-DIHYDROXY-3,4-DIMETHYLPYRIDINE
N,N-bis(2-Hydroxyethyl)- p-Phenylenediamine Sulfate
1,3-BIS-(2,4-DIAMINOPHENOXY)PROPANE
6-METHOXY-2-METHYLAMINO-3-AMINOPYRIDINE HCL
HYDROXYETHYL-P-PHENYLENE-DIAMINE SULFATE
What Annex III means for 2,6-DIHYDROXY-3,4-DIMETHYLPYRIDINE
2,6-DIHYDROXY-3,4-DIMETHYLPYRIDINE is a restricted substance under Annex III of EU Cosmetics Regulation 1223/2009. Its use in cosmetics is only permitted under the specific conditions set out in the entry above, including applicable concentration limits, product type restrictions and required warning statements.
When including this substance in a formulation, all conditions — maximum concentration, product scope and warning labels — must be met simultaneously. Compliance with one condition does not override the others.
This record is linked to 1 CosIng inventory ingredient for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.
Compliance checklist
- Confirm product type compatibility: Hair dye substance in oxidative hair dye products
- Include required warning statement on product label.
- Document conditions of use in the Product Information File (PIF).
Frequently asked questions
Source note for Annex III record 2,6-DIHYDROXY-3,4-DIMETHYLPYRIDINE
This page summarizes one Annex III record for 2,6-DIHYDROXY-3,4-DIMETHYLPYRIDINE from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.
Use this record page to review Annex III conditions for 2,6-DIHYDROXY-3,4-DIMETHYLPYRIDINE, but confirm any final regulatory decision against the current official annex wording and source files.
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