Description
Polyquaternium-7 (PQ-7) is a water-soluble cationic polymer produced through the copolymerization of acrylamide and diallyldimethylammonium chloride (DADMAC).
It is widely used in personal care and cosmetic formulations for its superior conditioning, antistatic, and film-forming properties.
Genome Specialities fzc is a leading global supplier of high-quality Polyquaternium-7 (PQ-7) for cosmetic, personal care, and industrial applications.
PQ-7 helps hair softness, smoothness, wet and dry combability, while reducing static electricity and frizz.
It is an essential ingredient in shampoos, conditioners, body washes, facial cleansers, and liquid soaps.
Key Benefits of Polyquaternium-7 (PQ-7)
- Excellent hair conditioning and softness
- Improves wet and dry combability
- Controls static and reduces frizz
- Creates a smooth, protective film on hair and skin
- Enhances foam feel and product texture
- Compatible with anionic and non-ionic surfactants
- Easy to formulate in a wide range of cosmetic products
- Leaves no heavy buildup on hair
Chemical Properties of Polyquaternium-7 (PQ-7)
| Property | Details |
| Product Name | Polyquaternium-7 (PQ-7) |
| INCI Name | Polyquaternium-7 |
| Chemical Type | Cationic copolymer |
| Composition | Copolymer of acrylamide and diallyldimethylammonium chloride (DADMAC) |
| Appearance | Clear to pale yellow viscous liquid |
| Odor | Mild / characteristic |
| Ionic Nature | Cationic |
| Charge Density | Low to medium |
| Active Content | Typically 8–10% (varies by grade) |
| pH Range | 3.0 – 7.0 |
| Solubility | Completely soluble in water |
| Solubility in Oils | Insoluble |
| Density (25 °C) | ~1.00 – 1.05 g/cm³ |
| Viscosity | Moderate to high (grade dependent) |
| Stability | Stable over wide pH range; compatible with anionic & non-ionic surfactants |
| Incompatible Materials | Strong oxidizing agents |
| Function | Conditioning agent, film former, antistatic agent |
Grades of PQ-7
Cosmetic / Personal Care Grade (Most Common),Safe for skin & hair applications
Active content: 8–10%
Appearance: Clear to pale yellow liquid
Viscosity: Medium
Purity: High, cosmetic-compliant
Uses: Shampoos, Conditioners, Body wash, Liquid soaps, Facial cleansers
Industrial Grade-Not recommended for cosmetics
- Active content: 10–15% (may vary)
- Viscosity: Higher than cosmetic grade
- Purity: Lower cosmetic compliance
- Uses: Water treatment , Textile processing , Antistatic coatings
Low Viscosity Grade
- Active content: ~8%
- Viscosity: Low
- Best for: Clear shampoos , Spray products , Low-thickness formulations
High Viscosity Grade
- Active content: 10%
- Viscosity: High
- Best for: Conditioning shampoos , Creamy body washes ,2-in-1 shampoo formulations
Why PQ-7 is Popular
- Compatible with anionic surfactants
- Provides conditioning without buildup
- Easy to formulate
- Improves foam feel and texture
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