NEWS CENTER

Laundry detergent is an essential household chemical product in modern home cleaning. Its core function is to remove stains from clothing through surfactants and other components, while also offering additional benefits such as fabric care, hand protection, and long-lasting fragrance. The following provides a detailed introduction from four dimensions: technical principles, ingredient characteristics, usage scenarios, and industry standards.

I.Technical Principles and Core Components

The liquid of laundry detergent primarily relies on surfactants (such as sodium dodecylbenzenesulfonate and fatty alcohol polyoxyethylene ether). These substances possess a dual structure of hydrophilic and lipophilic groups, enabling them to reduce the surface tension of water, thereby dislodging oil stains from fibers and dispersing them in water. Modern laundry detergents typically employ compound formulations, incorporating enzymes (protease, lipase) to enhance the breakdown of blood and oil stains. Additionally, anti-redeposition agents such as polycarboxylates are added to prevent stains from re-adhering to fabrics.

II.Expanded Functional Characteristics

Fabric and Hand Care: Premium laundry detergents incorporate natural plant oils (such as coconut oil derivatives) or silicone-based softeners to form a protective layer during cleaning. This reduces fiber wear and helps maintain clothing's fluffiness and softness. Some products also add glycerin or vitamin E to minimize skin irritation, making them suitable for hand washing.

Long-Lasting Fragrance Technology: Utilizing microencapsulated fragrance technology, scent molecules adhere to fibers during washing and are released through friction, providing a lasting fragrance for over 72 hours.

Eco-Friendliness and Safety: Industry standards require laundry detergents to maintain a pH between 5.5 and 8.5 to prevent damage to fabrics and skin. Some products, certified by EU ECOCERT, use biodegradable surfactants to reduce water pollution.

III.Application Scenarios and Compatibility
Compatibility with Machine and Hand Washing: The low-foam formula minimizes residue in washing machines and prevents excessive skin friction during hand washing. Concentrated laundry detergent offers economical usage, with one cap (approximately 10ml) sufficient for cleaning 5-8kg of laundry.
Adaptability to Special Fabrics: For delicate fabrics such as wool and silk, some laundry detergents incorporate amino acid-based surfactants to gently remove stains while preserving fabric elasticity. For functional clothing like sportswear, polyester fiber protectants are added to prevent static and pilling.
Adaptability to Regional Water Quality: In hard water areas (e.g., northern regions), laundry detergents require chelating agents (e.g., EDTA) to soften water, preventing calcium and magnesium ions from combining with surfactants and forming residues that compromise cleaning efficiency.

IV. Industry Standards and Purchasing Recommendations

According to GB/T 13171.2-2009 "Laundry Detergent Liquid," the active matter content is the core indicator for measuring cleaning power. Standard-type products must contain ≥15% active matter, while concentrated types require ≥25%. Consumers can screen products by checking the product label for the implementation standard number and the percentage of active matter content. Additionally, it is advisable to prioritize products labeled "phosphate-free" and "fluorescent whitening agent-free" to minimize environmental impact.

V. Usage Precautions
Pretreat Stubborn Stains: Apply laundry detergent directly to oil or blood stains, let it sit for 5 minutes, and then wash as usual to improve stain removal efficiency.
Separate Laundry: Wash dark and light-colored clothes separately to avoid color transfer. New garments can be soaked for 10 minutes before the first wash to reduce color fading.
Storage Conditions: Avoid direct sunlight to prevent fragrance evaporation and degradation of active ingredients. The typical shelf life is 3 years.

Our company currently offers such products. Our laundry detergent contains multiple active cleaning ingredients, with an active matter content of 11%-15%. It is gentle on hands while providing deep cleaning and offers long-lasting fragrance. Please feel free to contact us for more information!