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Cosmetic ingredient dictionary

Hydrogenated Styrene/Butadiene Copolymer in cosmetics: what it is and what it does

Hydrogenated Styrene/Butadiene Copolymer is a cosmetic ingredient that makes the product thicker or thinner. Open Beauty Facts finds it in 6 products, most often lipsticks.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Hydrogenated Styrene/Butadiene Copolymer do in a product?

In a cosmetic product, Hydrogenated Styrene/Butadiene Copolymer makes the product thicker or thinner and leaves a thin film on skin, hair or nails. The EU’s CosIng database lists these jobs for it: viscosity controlling and film forming.

viscosity controllingfilm forming

What other names and numbers does Hydrogenated Styrene/Butadiene Copolymer have?

CAS number
66070-58-4
CosIng reference
76652

Which products contain Hydrogenated Styrene/Butadiene Copolymer?

Open Beauty Facts finds Hydrogenated Styrene/Butadiene Copolymer in the ingredient lists of 6 of the 22,021 products it has a list for, most often lipsticks and lip makeup.

  • Lipsticks1
  • Lip makeup1

Products with it, by country of sale: Norway 4 · France 2.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Hydrogenated Styrene/Butadiene Copolymer 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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