Starch/Acrylates/Acrylamide Copolymer

Starch/Acrylates/Acrylamide Copolymer 1
Starch/Acrylates/Acrylamide Copolymer 2
Starch/Acrylates/Acrylamide Copolymer 3
AKA: Modified Starch Polymer
Synthetic
Occlusive
Not Clean
Starch/Acrylates/Acrylamide Copolymer is a polymer of starch, acrylamide and a monomer consisting of acrylic acid, methacrylic acid or one of their simple esters
Form
Powder
State
Solid
Functions
Binding
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Viscosity Controlling
Holds Formula Together
Creates Protective Barrier
Controls Viscosity
Creates protective layer
Holds ingredients together
Controls product thickness
Traditional Use
Modern synthetic polymer created by combining starch with acrylic polymers. Developed in the late 20th century as a film-former and viscosity modifier for cosmetics, designed to provide texture and stability while incorporating a renewable starch component.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
medical-approval
all-shades-safe
Mild Irritant
Regulatory Status
USA✔ permitted
EU✔ permitted
JAPAN✔ permitted
CANADA✔ permitted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR