Polyquaternium-6

Polyquaternium-6 1
AKA: Polyquaternium 6
Synthetic
Occlusive
Clean
Polyquaternium-6 is a polymeric quaternary ammonium salt of dimethyl diallyl ammonium chloride
CAS #
26062-79-3
Form
Powder
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
Fights Bacteria
Creates protective layer
Reduces flyaways
Traditional Use
A synthetic quaternary ammonium polymer introduced in cosmetics as a hair conditioning and antistatic agent. Created to provide film-forming and conditioning benefits in hair care formulations.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR