Industrial, Cosmetic & High Purity Grade Sodium Laureth Sulfate (SLES/AES) CAS 9005-08-7 Sodium Lauryl Ether Sulfate Anionic Surfactant for Personal C

Polyquaternium-4 (Abbr: PQ-4, CAS:9005-08-7,EINECS:232-675-2, HS Code:3912310000) is a white to off-white powder, a cationic copolymer of hydroxyethyl cellulose and diallyldimethylammonium chloride. We supply cosmetic grade products complying with USP, EP and international cosmetic standards. It features excellent film-forming, conditioning, antistatic and thickening properties, with good compatibility with cosmetic ingredients. Widely used as styling agent and conditioning agent in hair care and personal care products.

Applications
Hair Care Industry (Core Application)
Dual-functional styling and conditioning agent for hair gels, mousses, hair sprays, styling creams and pomades. It provides strong yet flexible hold, excellent curl retention and anti-humidity performance, while conditioning hair, reducing static electricity, improving combability and preventing hair stiffness and flaking, being widely used in hair styling formulations.
Shampoos & Conditioners
Added to shampoos, conditioners and hair masks to improve wet and dry combability, repair damaged hair, endow hair with softness and smoothness, and enhance foam stability and creaminess of cleansing products.
Skin Care Products
Used as film-forming agent and moisturizer in lotions, creams and facial cleansers. It forms a smooth protective film on skin surface, improves skin smoothness, provides long-lasting moisturizing effect, and reduces skin tightness after cleansing.
Personal Cleansing Products
Applied in body washes, liquid soaps and shower gels to improve foam stability, reduce skin irritation from surfactants, and leave skin feeling soft and moisturized after washing.
Cosmetic Formulations
Used as thickener and stabilizer in various cosmetic formulations to improve product texture, enhance suspension stability, and prevent phase separation.
Other Applications
Used as conditioning agent in textile finishing to improve fiber softness and antistatic performance. Also applied in household care products to enhance fabric softness.

Product Advantages
✅ Dual-functional performance: Combines excellent styling hold and hair conditioning effect in one ingredient
✅ Good film-forming property: Forms flexible, non-flaking film with excellent curl retention and anti-humidity performance
✅ Excellent conditioning effect: Improves hair combability, reduces static electricity, prevents hair stiffness
✅ Good compatibility: Compatible with most anionic, cationic and nonionic surfactants and cosmetic ingredients
✅ High safety: Non-irritating to skin and hair, suitable for various personal care formulations
✅ Stable performance: Stable in wide pH range, no decomposition under normal storage conditions

Packaging & Storage
Standard packaging: 25kg sealed fiber drums with inner PE liner. Store in a cool, dry and well-ventilated warehouse at 5–30°C. Keep containers tightly sealed, away from moisture, strong oxidants and direct sunlight. Shelf life is 24 months under proper storage conditions.
Safety Information
Classified as non-hazardous goods for regular transportation. Non-toxic and non-irritating at recommended use concentrations. Wear dust mask and protective gloves during handling to avoid inhalation of fine powder. In case of contact with eyes, rinse immediately with plenty of clean water. Complete MSDS and cosmetic compliance certificates are available upon request.

1. 1.A 70,000 ㎡ warehouse (20,000 MT capacity) with moisture-proof and temperature-controlled systems, enabling efficient fulfillment of large-volume orders.
2. 2.Free samples (Ship within 3-7 days) to let you test products at zero trial cost.
3. 3.Transparent lead time for hazardous chemicals: 45–60 days, with clear delivery schedules.
4. 4.Certified with a Hazardous Chemical Business License and ISO certification, ensuring smooth customs clearance.
5. 5.6 packaging options with customizable logos to minimize product loss during transportation.
6. 6.Over 400 chemical SKUs available for one-stop procurement, helping you reduce sourcing costs.