Crotonic Acid/Vinyl C8-12 Isoalkyl Esters/VA/Bis-Vinyldimethicone Crosspolymer
AKA “Crotonic acid copolymer, Silicone crosspolymer
Acid
Ingredient Facts
Crotonic acid/vinyl c8-12 isoalkyl esters/va/bis-vinyldimethicone crosspolymer
AKA: Crotonic acid copolymer, Silicone crosspolymer
Acid · Film Forming · EWG: 1
Synthetic
Occlusive
Skin Conditioner
Hair Care
Acid
Clean
Crotonic Acid/Vinyl C8-12 Isoalkyl Esters/VA/Bis-Vinyldimethicone Crosspolymer is a copolymer of Crotonic Acid, vinyl C8-12 isoalkyl esters and Vinyl Acetate crosslinked with Bis-Vinyldimethicone
CAS #
-
Form
Liquid
State
Solid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Hair Fixing
Creates Protective Barrier
Conditions Hair
Creates protective layer
Softens and detangles hair
Holds hair in place
Traditional Use
A modern synthetic film-forming polymer developed in the late 20th century for cosmetics to provide long-lasting wear, water resistance, and improved adherence in color cosmetics and styling products.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR