Polyquaternium-7
AKA “Polyquaternium 7, PQ-7”
Synthetic
Ingredient Facts
Polyquaternium-7
AKA: Polyquaternium 7, PQ-7
Synthetic · Film Forming · EWG: 4
Synthetic
Occlusive
Synthetic
Clean
Helps reduce frizz and static while creating a smooth, protective layer on hair and skin for a polished finish.
CAS #
26590-05-6
Form
Powder
See origin →
Functions
Antistatic
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Anti-Inflammatory
Moisturizing
Locks in moisture to keep skin soft and supple throughout the day
Fights Acne
Creates protective layer
Reduces flyaways
Traditional Use
A synthetic quaternary ammonium polymer developed for cosmetic use as a conditioning and antistatic agent. Designed to improve hair manageability and provide protective film-forming properties.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Verified Feb 2026
Data: CosIng · EWG · CIR