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Cosmetic ingredient dictionary

Rayon in cosmetics: what it is and what it does

Rayon is a cosmetic ingredient that makes the product thicker or thinner. Open Beauty Facts finds it in 21 products, most often eye makeup.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Rayon do in a product?

In a cosmetic product, Rayon makes the product thicker or thinner and adds volume to a powder. The EU’s CosIng database lists these jobs for it: viscosity controlling and bulking.

viscosity controllingbulking

What is Rayon?

Cellulose, regenerated. The product is obtained by treating cellulose with caustic soda, reacting this with carbon disulfide, dissolving this in a dilute alkali solution and extruding into an acid to form a continuous viscose tube.

CAS number
68442-85-3, 61788-77-0
EC number
270-493-7
CosIng reference
79457

Which products contain Rayon?

Open Beauty Facts finds Rayon in the ingredient lists of 21 of the 22,021 products it has a list for, most often eye makeup, volumizing mascaras and makeup.

  • Eye makeup2
  • Volumizing mascaras2
  • Makeup1

Products with it, by country of sale: Australia 10 · Germany 7 · Norway 5 · Netherlands 3.

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

  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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