Polyisobutene

Polyisobutene is a cosmetic ingredient used as a binding, film forming agent. It appears in about 1% of cosmetic products in our 90,000+ product dataset. It carries no restriction under the EU Cosmetics Regulation annexes. PubMed carries 9 studies of its skin or topical use.

INCI namePOLYISOBUTENE
FunctionBINDING, FILM FORMING, VISCOSITY CONTROLLING
CAS number9003-27-4
Prevalence1,326 products (1.43% of dataset)
Most used inSkincare
EU statusNo annex restriction
Scientific studies9 on PubMed (skin/cosmetic/topical)
Monthly searches1,000

Used in

Lip Moisturizers 11.4%General Moisturizers 10.1%Facial Treatments 8.2%Lip Glosses 5.2%Serums 5.2%Lip Oils 4.8%

Frequently asked

What does Polyisobutene do in skincare?
Polyisobutene functions as a binding, film forming agent in cosmetic formulas.
What products contain Polyisobutene?
It is most commonly found in Skincare products, especially lip moisturizers (11.4% of its uses).

Manufacturers with experience using Polyisobutene

Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.