Polyisoprene

Polyisoprene is a cosmetic ingredient used as a viscosity controlling agent. It is used in 21 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries 25 studies of its skin or topical use.

INCI namePOLYISOPRENE
FunctionVISCOSITY CONTROLLING
CAS number9003-31-0
Prevalence21 products (0.02% of dataset)
Most used inSkincare
EU statusRestricted (annex )
Scientific studies25 on PubMed (skin/cosmetic/topical)
Monthly searches2,400

Used in

Facial Treatments 47.6%Eyeshadows 14.3%Blushes 4.8%Exfoliators 4.8%Eye Moisturizers 4.8%Eyebrows 4.8%

Frequently asked

What does Polyisoprene do in skincare?
Polyisoprene functions as a viscosity controlling agent in cosmetic formulas.
Is Polyisoprene allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Polyisoprene?
It is most commonly found in Skincare products, especially facial treatments (47.6% of its uses).

Manufacturers with experience using Polyisoprene

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