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Cosmetic ingredient dictionary

Inositol in cosmetics: what it is and what it does

Inositol is a cosmetic ingredient that holds water in the skin or the product. Open Beauty Facts finds it in 52 products, most often sunscreen.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Inositol do in a product?

In a cosmetic product, Inositol holds water in the skin or the product, makes hair easier to comb, softer or shinier and reduces static, so hair stays flat. The EU’s CosIng database lists these jobs for it: humectant, hair conditioning and antistatic.

humectanthair conditioningantistatic

What other names and numbers does Inositol have?

CAS number
87-89-8
EC number
201-781-2
CosIng reference
34573

Which products contain Inositol?

Open Beauty Facts finds Inositol in the ingredient lists of 52 of the 22,021 products it has a list for, most often sunscreen, shampoos and face makeup.

  • Sunscreen8
  • Shampoos3
  • Face makeup2

Products with it, by country of sale: France 9 · Spain 7 · Sweden 7 · Germany 6.

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

On these listsHumectants

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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