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Cosmetic ingredient dictionary

CI 42090 in cosmetics: what it is and what it does

CI 42090 is a cosmetic ingredient that gives the product or the skin colour. The EU lists it as an allowed colorant. Open Beauty Facts finds it in 1,255 products, most often shower gels.

By Bravoora teamUpdated Sources checked 3 sourcesHow we check

What does CI 42090 do in a product?

In a cosmetic product, CI 42090 gives the product or the skin colour. The EU’s CosIng database lists this job for it: cosmetic colorant.

cosmetic colorant

What other names and numbers does CI 42090 have?

CAS number
3844-45-9
EC number
223-339-8
CosIng reference
32756

Is CI 42090 restricted in the EU?

It is allowed, on a list with limits. The EU lists it as an allowed colorant, with its own conditions of use (Annex IV of Regulation 1223/2009, entry 63).

The annex entry sets the exact limits, the products it may be used in and any warning the label must carry.

Which products contain CI 42090?

Open Beauty Facts finds CI 42090 in the ingredient lists of 1,255 of the 22,021 products it has a list for, most often shower gels, bath and shower and shampoos.

  • Shower gels117
  • Bath and shower100
  • Shampoos99

Products with it, by country of sale: France 459 · Germany 164 · Australia 85 · United States 65.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where CI 42090 turns up, not how much of the market it is.

On these listsColorants

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’.

  1. European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
  2. Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL
  3. 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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