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Skincare Ingredient

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Polyquaternium-67

In Skincare: Is Polyquaternium-67 Safe? Comedogenic Rating & Side Effects

Safety (overall safety)
2/5 — Low risk

Safety Information

Polyquaternium-67 is considered safe for use in cosmetics by the Cosmetic Ingredient Review (CIR) Expert Panel at concentrations up to 1%. Limited safety data suggests it has low potential for skin penetration and is generally non-irritating, though it may cause mild ocular irritation upon contact.

Overview

Ingredient Profile

2-Hydroxyethyl cellulose ether, reaction products with N,N,N-trimethyl-N-oxiranylmethylammonium chloride and N-dodecyl-N,N-dimethyl-N-oxiranylmethylammonium chloride
Classifications
Polymer
Film-Forming Agent

Role of Polyquaternium-67

Active Cosmetic Mechanisms

ANTISTATIC

Static Eliminator

Reduces static electricity and flyaway hair

SCIENTIFIC ANALYSIS

// Evidence: Antistatic agents neutralize electrostatic charges through cationic surfactants (quaternary ammonium compounds like behentrimonium chloride) or conductive polymers that increase surface conductivity to dissipate charge or attract moisture. The mechanism involves forming a conductive film on fiber surfaces, neutralizing charge buildup. Particularly effective on damaged hair with raised cuticles.

FILM FORMING

Protective Coating Agent

Creates a continuous thin layer on surfaces

SCIENTIFIC ANALYSIS

// Evidence: Film-forming polymers create continuous, cohesive coatings after solvent evaporation or chemical crosslinking. These include natural polymers (shellac, chitosan), synthetic polymers (acrylates copolymers, PVP/VA copolymer, polyurethanes), and modified natural polymers. Film formation involves spreading, solvent evaporation, polymer chain interpenetration, and coalescence. Film properties depend on glass transition temperature, molecular weight, and plasticizer content.

HAIR CONDITIONING

Hair Softener

Improves hair manageability, softness, and appearance

SCIENTIFIC ANALYSIS

// Evidence: Hair conditioning ingredients smooth the cuticle, reduce frizz, and add shine through cationic surfactants (behentrimonium chloride), silicones (dimethicone, amodimethicone), natural oils, and proteins. These deposit on negatively charged damaged sites, neutralizing charge, filling surface irregularities, and providing lubrication. Mechanism involves electrostatic attraction, film formation, and surface smoothing.

Products

containing Polyquaternium-67

98 formulations
Safe Me. Relief Moisture Cleansing Foam
Safe Me. Relief Moisture Cleansing Foam
Make p:rem · cleanser
Blueberry Rebalancing 5.5 Cleanser
Blueberry Rebalancing 5.5 Cleanser
innisfree · cleanser
Poremizing Deep Cleansing Foam
Poremizing Deep Cleansing Foam
SKIN1004 · cleanser
Semantic Analysis

Similar Ingredients

Ingredients with similar chemical profiles and skincare properties.

Frequently Asked Questions

Polyquaternium-67 — common questions

What is Polyquaternium-67 in skincare?

2-Hydroxyethyl cellulose ether, reaction products with N,N,N-trimethyl-N-oxiranylmethylammonium chloride and N-dodecyl-N,N-dimethyl-N-oxiranylmethylammonium chloride

What does Polyquaternium-67 do? / Functions of Polyquaternium-67?

Common functions: ANTISTATIC, FILM FORMING, HAIR CONDITIONING.

What is the comedogenic rating of Polyquaternium-67? / Is Polyquaternium-67 comedogenic?

The comedogenic rating of Polyquaternium-67 has not been established in our database.

Does it clog pores?
No Rating Available

Whether Polyquaternium-67 clogs pores depends on the formulation and concentration.

Is Polyquaternium-67 safe for skin?
2 2/5 — Low risk

Polyquaternium-67 has a safety rating of 2 out of 5. A rating of 2 means it is generally considered safe for most skin types. Note: Polyquaternium-67 is considered safe for use in cosmetics by the Cosmetic Ingredient Review (CIR) Expert Panel at concentrations up to 1%. Limited safety data suggests it has low potential for skin pe

Is Polyquaternium-67 good for sensitive skin?

Polyquaternium-67 tolerance on sensitive skin varies by individual.

What are the side effects of Polyquaternium-67 in skincare?

Known considerations: Polyquaternium-67 is considered safe for use in cosmetics by the Cosmetic Ingredient Review (CIR) Expert Panel at concentrations up to 1%. Limited safety data suggests it has low potential for skin penetration and is generally non-irritating, though it may cause mild ocular irritation upon contact.

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