Cosmetic ingredient dictionary
Polybutene in cosmetics: what it is and what it does
Polybutene is a cosmetic ingredient that makes the product thicker or thinner. Open Beauty Facts finds it in 116 products, most often lip balms.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Polybutene do in a product?
In a cosmetic product, Polybutene makes the product thicker or thinner and holds a powder or a pressed product together. The EU’s CosIng database lists these jobs for it: viscosity controlling and binding.
What is Polybutene?
Polybutene is the polymer formed by the polymerization of a mixture of iso- and normal butenes.
- CAS number
- 9003-28-5, 9003-29-6
- CosIng reference
- 78566
Which products contain Polybutene?
Open Beauty Facts finds Polybutene in the ingredient lists of 116 of the 22,021 products it has a list for, most often lip balms, lip makeup and makeup.
Products with it, by country of sale: France 25 · Türkiye 16 · Norway 15 · Australia 15.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Polybutene 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’.
- European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
- 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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