Build my profileBuild my profile

Cosmetic ingredient dictionary

Cyclomethicone in cosmetics: what it is and what it does

Cyclomethicone is a cosmetic ingredient that holds water in the skin or the product. Open Beauty Facts finds it in 108 products, most often deodorants.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Cyclomethicone do in a product?

In a cosmetic product, Cyclomethicone holds water in the skin or the product, softens and smooths the skin, and makes hair easier to comb, softer or shinier. The EU’s CosIng database lists these jobs for it: humectant, emollient, hair conditioning, viscosity controlling, solvent and antistatic.

humectantemollienthair conditioningviscosity controllingsolventantistatic

What is Cyclomethicone?

Cyclomethicone is a mixture of low molecular weight volatile cyclic siloxanes, the principal ingredients of which are octamethylcyclotetrasiloxane (D4), decamethylcyclopentasiloxane (D5) and dodecamethylcyclohexasiloxane (D6), in varying proportions.

CAS number
69430-24-6, 556-67-2, 541-02-6, 540-97-6
EC number
209-136-7, 208-764-9, 208-762-8
CosIng reference
33101

Which products contain Cyclomethicone?

Open Beauty Facts finds Cyclomethicone in the ingredient lists of 108 of the 22,021 products it has a list for, most often deodorants, anti-perspirants and facial creams.

  • Deodorants24
  • Anti-perspirants13
  • Facial creams7

Products with it, by country of sale: France 43 · Argentina 12 · Spain 7 · Bolivia 7.

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

On these listsEmollientsHumectants

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

Create a website profile with the things you avoid and the people you check for.

Build my profile

Save and edit your profile on this website. App transfer is not available yet.