Polyquaternium 6 Hair Care Conditioning Agent

Polyquaternium-6 (also known as PolyDADMAC or DADMAC homopolymer; CAS: 26062-79-3) is a strongly cationic polymeric polyelectrolyte specifically designed for hair and skin care formulations. It appears as a clear to pale yellow viscous liquid and boasts robust physicochemical properties: a freezing point of -2.8°C, a specific gravity of 1.04 g/cm³, and a decomposition temperature of 280--300°C. Key performance attributes include resistance to high temperatures and chlorine, non-flammability, strong cohesive power, stable aqueous solutions (resistant to gelation), and compatibility with a wide pH range.

Unlike standard personal care conditioning agents, Polyquaternium 6 Hair Care Conditioning Agent leverages a high-charge-density molecular structure to deliver multiple benefits—such as smooth wet and dry combing, anti-static curl protection, a velvety skin feel, and rich, stable foam—even at low dosage levels. It is compatible with harsh formulation systems (including perming, bleaching, and dyeing products), is mild and non-irritating, and meets the high standards required for baby care and sensitive skin products. It serves as a core functional ingredient for enhancing quality and optimizing costs in premium hair and skin care formulations.

Specification

Product Features and Hair Conditioning Functions

1.1 Robust Physicochemical Stability

Polyquaternium 6 Hair Care Conditioning Agent offers physicochemical stability far superior to conventional hair care additives. With a decomposition temperature of 280--300°C, it withstands high-temperature manufacturing processes and daily heat styling. It exhibits excellent chlorine resistance, remaining effective and stable in chlorine-containing formulations and tap water rinsing environments. Additionally, its low freezing point ensures it does not freeze at low temperatures, making it highly adaptable for storage, transport, and production across all seasons. Its aqueous solution remains stable over the long term without gelation or phase separation, ensuring compatibility with automated mass-production lines.

1.2 Key Features: High Charge Density and High Conditioning Efficiency

As a pure DADMAC cationic homopolymer, this product features high charge density and strong adsorption activity. It delivers potent conditioning effects at low dosage levels, eliminating the need for high-quantity inputs and effectively reducing overall formulation costs. With a stable molecular structure and broad pH compatibility, it performs reliably in acidic, neutral, weakly alkaline, and highly oxidizing formulations, making it suitable for a full range of functional hair care products.

1.3 Specialized Hair Conditioning Functions

It imparts a long-lasting, silky sheen to the hair and thoroughly resolves issues such as dryness, frizz, and tangling. It simultaneously improves both wet and dry combability, preventing hair breakage and static-induced flyaways during washing and styling. It offers excellent anti-static properties, effectively suppressing flyaways and unruliness for extended periods. Additionally, it helps set curls naturally—without stiffness or white flakes—maintaining the hairstyle's neatness and structure.

1.4 Gentle Skin Care Functions

With a mild formulation profile, it effectively alleviates the dryness, tightness, and roughness often felt after cleansing, leaving the skin feeling velvety, soft, and supple without any greasy or sticky residue. When used in cleansing products, it enhances foam volume, refines bubble structure, and improves foam stability, resulting in a gentler, more comfortable cleansing experience suitable for sensitive skin and the delicate skin of infants and children.

Mechanism of Action: Improving Hair Softness, Anti-static Properties, and Combability

2.1 Static Neutralization and Frizz Elimination Mechanism

Damaged hair often has raised cuticles and carries a significant negative surface charge; friction during washing and care easily generates static electricity, leading to flyaways, unruliness, and tangling. The Polyquaternium-6 molecule carries high-density cationic groups that rapidly target and neutralize the negative charges on the hair surface. By eliminating the conditions that generate static electricity at the source, it maintains smooth, sleek hair for the long term and solves the problem of static-induced frizz during daily combing.

2.2 Breathable, Protective Film-Forming Mechanism for Smoothness

Cationic molecules adsorb evenly onto the hair surface via electrostatic attraction, forming a thin, breathable, and rinse-resistant polymeric protective film. This film-forming layer fills gaps in the hair cuticles and smooths frizz, significantly reducing the coefficient of friction between strands and enhancing overall lubricity. It delivers dual smoothing benefits: preventing tugging on wet hair and eliminating dryness in dry hair.

2.3 Moisture-locking, Repairing, and Long-lasting Hold Mechanism

The protective film locks in internal moisture, reducing dryness and split ends caused by moisture loss while continuously nourishing damaged hair. Simultaneously, it uniformly stabilizes the hair structure and curl definition, resisting daily mechanical stress and wind-induced deformation to ensure long-lasting curl retention. The resulting film is lightweight and leaves no residue, keeping hair feeling fresh and voluminous.

2.4 Environmental Stability and Durability Mechanism

With excellent resistance to chlorine, high temperatures, and pH extremes (acid/alkali), the film withstands erosion from residual chlorine in tap water, heat damage, and humidity fluctuations. It remains effective despite environmental changes, ensuring long-lasting smoothness, anti-static properties, and a neat appearance, thereby enhancing the overall user experience of the finished hair care product.

Application in Shampoos, Conditioners, and Hair Care Products

3.1 Standard Application for Conventional Hair Care Products

Applicable products: Shampoos, conditioners, daily repair masks, and leave-in hair care products; recommended starting dosage: 1.0%. This dosage perfectly meets basic hair care needs, significantly improving wet and dry combability, eliminating static flyaways, and boosting hair shine. Polyquaternium 6 Hair Care Conditioning Agent offers excellent formula compatibility—without compromising foaming or cleansing power—and is suitable for various mass-produced basic hair care formulations.

3.2 Application for Perming, Coloring, and Specialized Hair Care Products

Applicable products: Perming agents, straightening creams, hair dyes, bleaching agents, and post-perm repair products; recommended starting dosage: 3.0%. This product withstands extreme formulation environments, including high pH (strong alkali) and strong oxidizing conditions. It mitigates chemical damage from perming and coloring, repairs damaged cuticles, and addresses post-treatment dryness, frizz, and dullness. Additionally, it enhances pigment adhesion, thereby reducing color fading.

3.3 Application in Styling and Setting Products

Suitable for products such as curl-defining creams, styling lotions, setting sprays, and mousses. At a standard dosage of 3.0%, it provides gentle hold and curl retention, resulting in a natural, non-stiff finish. It leaves no white flakes or heavy residue, balancing styling performance with hair care benefits—ideal for daily styling needs.

3.4 Formulation and Processing Guidelines

Polyquaternium-6 is a water-soluble liquid ingredient that is directly miscible with aqueous systems. It requires no organic solvents or pre-heating and disperses completely with stirring at room temperature. It is compatible with various surfactants, humectants, fragrances, colorants, and functional additives, forming stable mixtures without flocculation, precipitation, or system destabilization; it is suitable for standard personal care manufacturing processes.

Differences from Traditional Hair Conditioning Agents

4.1 Differences in Structure and Charge Density

Traditional hair conditioners often rely on low-charge copolymers or inefficient emulsifying conditioning agents, which suffer from uneven charge distribution and weak adsorption. In contrast, this product is a pure DADMAC homopolymer featuring a clean molecular structure and extremely high charge density. It delivers superior conditioning performance per unit of dosage compared to traditional agents, achieving powerful repair and smoothing effects at low concentrations, offering significant cost-performance advantages.

4.2 Compatibility with Extreme Formulations

Traditional cationic conditioning agents generally lack stability against strong alkalis, oxidation, and high temperatures, making them unsuitable for functional formulations like perms, bleaches, or dyes, where high-temperature processing often causes deactivation or flocculation. This product, however, boasts a decomposition temperature of 280--300°C and exhibits outstanding resistance to chlorine, acids, alkalis, and oxidation. It remains stable in various extreme functional formulations, allowing for a wider range of applications.

4.3 Differences in Sensory Feel and Residue

Traditional oil-based or copolymer-based conditioning agents often leave hair feeling heavy and sticky, cause product buildup, and clog the scalp. In contrast, this product forms a lightweight, breathable protective film that is smooth yet non-greasy and leaves no residue; it ensures hair feels fresh and voluminous when dry and offers a velvety, refined skin feel, effectively resolving the common issues of heaviness, greasiness, and "fake" slipperiness associated with traditional conditioners.

4.4 Long-term Stability and Target Audience Suitability

Traditional conditioners often lack environmental resilience, losing effectiveness quickly when exposed to chlorine, high temperatures, or humidity fluctuations. Polyquaternium-6, however, demonstrates strong resistance to environmental factors, ensuring long-lasting and stable conditioning performance. Its formula is mild, non-toxic, and exhibits extremely low irritation, making it suitable not only for the general population but also safe for use in hair care products designed for infants, children, and individuals with sensitive skin.

Suitability Analysis for Various Hair Types

5.1 Suitability for Healthy, Virgin Hair

For healthy, virgin hair—characterized by smoothness and intact cuticles—a low dosage of 1.0% is sufficient to meet basic care needs. It maintains shine and smoothness, prevents static and flyaways, and enhances the overall feel of daily washing without causing over-conditioning or weighing the hair down, making it ideal for lightweight, daily-use formulas.

5.2 Suitability for Dry, Damaged, and Chemically Treated Hair

For damaged hair—often resulting from frequent perming or coloring, and characterized by cuticle damage, dryness, tangling, and loss of elasticity—a dosage of 3.0% is recommended. This effectively fills cuticle gaps, locks in moisture, smooths frizz, and repairs the hair's texture. It restores smoothness and curl elasticity, significantly improving the condition of hair following chemical treatments.

5.3 Suitability for Fine, Soft, and Limp Hair

With its lightweight and breathable conditioning properties, Polyquaternium 6 Hair Care Conditioning Agent leaves no heavy residue, making it perfect for fine, soft hair that tends to go limp and lacks volume. It provides smoothness and anti-static benefits while preserving the hair's natural volume, avoiding the flatness and greasiness often caused by traditional conditioners; it is well-suited for lightweight, volumizing hair care formulas.

5.4 Suitability for Coarse, Frizzy, Naturally Curly Hair

Designed for coarse, frizzy, and unruly naturally curly hair, this product effectively neutralizes static electricity, softens hair texture, and smooths out frizz. It stabilizes the natural curl pattern, leaving curls defined, smooth, and glossy, while addressing common issues such as dryness, roughness, and manageability difficulties.

5.5 Specialized Suitability for Infants and Sensitive Skin

Formulated with safe, non-toxic, and mild ingredients free from harmful monomer residues, this product is ideal for the delicate scalps and hair of infants. It gently alleviates dryness and tangling, minimizes pulling during washing and grooming, and enhances the sensory experience during bathing. It is a premium conditioning ingredient for high-end baby care formulations.

Procurement Standards, Stable Supply, and Technical Services

6.1 Core Manufacturer Procurement and Acceptance Standards

Appearance: Clear to pale yellow, uniform, viscous liquid; free from mechanical impurities, phase separation, sedimentation, or gel formation.

Physicochemical Properties: Specific gravity 1.04 g/cm³, freezing point -2.8°C, decomposition temperature 280--300°C; resistant to chlorine and high temperatures; stable across a wide pH range.

Performance: High charge density; effective smoothing and anti-static properties at low dosage levels; stabilizes foam, conditions skin, and maintains curls without leaving white flakes.

Safety: Non-toxic, non-irritating, and non-flammable; suitable for baby care and sensitive skin formulations; compliant with safety regulations for personal care ingredients.

6.2 Standardized Packaging, Storage, and Transport Specifications

Packaging: 50kg, 125kg, and 200kg PE drums; 1000kg IBC totes; supports small sample orders, formulation prototyping, bulk purchasing, and long-term price-locked stocking.

Storage Conditions: Store in a sealed container in a cool, dry, well-ventilated warehouse; keep away from light and strong oxidizing agents.

Shelf Life: 2 years under standard storage conditions.

Transport: Non-hazardous, safe, and non-flammable; suitable for standard logistics, cross-border shipping, and convenient, stable direct supply from the factory.

6.3 Stable Supply Capability

Ewooan operates standardized polymer production lines with ample mass-production capacity and end-to-end closed-loop quality control. Key parameters—such as batch-to-batch color consistency, viscosity, and charge density—are highly uniform, ensuring no fluctuations between batches. We offer stable, long-term stock availability and support customized packaging and formula adjustments, meeting the bulk purchasing and routine inventory needs of both small-to-medium-sized personal care factories and large-scale contract manufacturers.

FAQ

Q1: What are its core advantages compared to standard hair conditioning agents?

Polyquaternium-6 is a high-purity DADMAC homopolymer offering higher charge density and superior conditioning efficiency. It boasts robust performance characteristics—including high-temperature resistance (280--300°C), chlorine resistance, and stability across a wide pH range—making it suitable for extreme formulations like perms and dyes. It leaves a lightweight, non-sticky feel without residue buildup and is gentle and safe enough for baby and child care products, offering far greater versatility than traditional conditioning agents.

Q2: How should the standard dosage be managed for different hair care products?

The recommended dosage is 1.0% for shampoos, conditioners, and daily basic care products, and 3.0% for functional products such as perms, dyes, bleaches, and styling agents. The dosage can be slightly adjusted based on specific hair type requirements and the formulation system, offering excellent compatibility.

Q3: Will adding it cause hair to feel heavy or greasy, or lead to white flakes?

Not at all when used at standard ratios. The product forms a lightweight, breathable film without oily residue; it does not clog scalp pores or increase oiliness. It does not produce white flakes during styling or curling, leaving hair feeling fresh and voluminous—making it a perfect fit for lightweight and premium nourishing hair care products.

Q4: Is it compatible with high-temperature production processes and rinsing environments using chlorinated water?

Yes. With a decomposition temperature of 280--300°C, it withstands high-temperature emulsification and filling processes common in personal care manufacturing. It also offers excellent chlorine resistance, remaining effective during rinsing with tap water or within chlorine-containing formulations, ensuring long-lasting conditioning results.

Q5: Can it be used in hair care products for babies, children, and sensitive skin?

Polyquaternium 6 Hair Care Conditioning Agent is safe, non-toxic, non-irritating, and free of harmful residual monomers. With a mild and pure formula, it is proven suitable for delicate skin and fine hair, making it safe for use in high-standard product formulations such as baby and child care and products designed for sensitive skin.