Cosmetic ingredient dictionary

Thymol in cosmetics: what it is and what it does

Thymol is a cosmetic ingredient that colours hair. Open Beauty Facts finds it in 96 products, most often mouthwash.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Thymol do in a product?

In a cosmetic product, Thymol colours hair, hides an unwanted smell or taste and makes alcohol undrinkable. The EU’s CosIng database lists these jobs for it: hair dyeing, masking and denaturant.

hair dyeingmaskingdenaturant

What other names and numbers does Thymol have?

CAS number
89-83-8
EC number
201-944-8
CosIng reference
38597

Which products contain Thymol?

Open Beauty Facts finds Thymol in the ingredient lists of 96 of the 22,021 products it has a list for, most often mouthwash and toothpastes.

  • Mouthwash23
  • Toothpastes6

Products with it, by country of sale: United States 16 · France 12 · Germany 9 · Australia 8.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Thymol 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

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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