Polyquaternium-14

Synthetic
Occlusive
Not Clean
OriginPolyquaternium-14 is a synthetic quaternary ammonium polymer derived from acrylamide and dimethylaminopropyl methacrylamide monomers. It is synthesized through free-radical polymerization of these monomers followed by quaternization with dimethyl sulfate.
Ethanaminium, N,N,N-trimethyl-2-[(2-methyl-1-oxo-2-propenyl)oxy]-, methylsulfate, homopolymer
CAS #
27103-90-8
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Antistatic
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Reduces Static
Creates Protective Barrier
Creates protective layer
Reduces flyaways
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2012
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR