Cosmetic ingredient dictionary
2-Methyl-5-Hydroxyethylaminophenol in cosmetics: what it is and what it does
2-Methyl-5-Hydroxyethylaminophenol is a cosmetic ingredient that colours hair. The EU allows it only with limits or conditions. Open Beauty Facts finds it in 18 products, most often hair care.
By Bravoora teamUpdated Sources checked 3 sourcesHow we check
What does 2-Methyl-5-Hydroxyethylaminophenol do in a product?
In a cosmetic product, 2-Methyl-5-Hydroxyethylaminophenol colours hair. The EU’s CosIng database lists this job for it: hair dyeing.
What other names and numbers does 2-Methyl-5-Hydroxyethylaminophenol have?
- CAS number
- 55302-96-0
- EC number
- 259-583-7
- CosIng reference
- 31502
Is 2-Methyl-5-Hydroxyethylaminophenol restricted in the EU?
Yes, it has limits. The EU allows it only with limits or conditions of use, such as a maximum amount or a warning on the label (Annex III of Regulation 1223/2009, entry 229).
The annex entry sets the exact limits, the products it may be used in and any warning the label must carry.
Which products contain 2-Methyl-5-Hydroxyethylaminophenol?
Open Beauty Facts finds 2-Methyl-5-Hydroxyethylaminophenol in the ingredient lists of 18 of the 22,021 products it has a list for, most often hair care and hair dyes.
Products with it, by country of sale: Norway 13 · United States 2 · Australia 2 · France 1.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where 2-Methyl-5-Hydroxyethylaminophenol turns up, not how much of the market it is.
Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dermatologists, dietitians and doctors
Sources
The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.
- European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
- Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL
- EU Regulation 1223/2009 on cosmetic products (the annexes)
Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check
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