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Disodium Lauryl Sulfosuccinate (DLSS) 50% Paste (CAS NO. 13192-12-6) represents a milestone in mild anionic surfactant technology. Unlike conventional sulfates (such as SLS or SLES) which can disrupt the skin's lipid barrier, DLSS is a succinic acid monoester derivative. Its unique molecular structure offers excellent detergency and high foaming power while demonstrating a remarkable safety profile that preserves the integrity of the stratum corneum.
As consumer demand shifts decisively towards sulfate-free, hypoallergenic, and non-stripping formulations, DLSS 50% Paste has emerged as a cornerstone ingredient for premium skin cleansing formulations. The paste format facilitates rapid cold-process dispersion, reducing energy consumption during scale-up manufacturing.
| Chemical Name | Disodium Lauryl Sulfosuccinate (DLSS) |
| CAS Registry No. | 13192-12-6 |
| Active Matter | 50% ± 2% |
| Appearance | White to off-white paste / fluid emulsion |
| pH (10% aq. sol.) | 5.5 – 7.0 |
| Free Inorganic Salt | ≤ 1.5% |
| Formulation Type | Cold-process compatible paste |
Why DLSS is structurally superior to traditional sulfate-based surfactants.
Its larger molecular size compared to alkyl sulfates prevents it from penetrating deep into the stratum corneum. This physical limitation dramatically reduces cellular irritation while keeping the surfactant active on the outer skin surface for dirt and sebum removal.
DLSS is highly rated in Zein protein testing, illustrating incredibly low protein denaturation scores. This qualifies it as an ideal primary or secondary surfactant for baby shampoos, intimate washes, and hyper-sensitive skin facial cleansers.
When combined with alkyl polyglucosides (like APG0810) or amphoteric betaines (such as Cocamidopropyl Betaine 35%), DLSS 50% paste generates a highly stable, dense, micro-bubble lather that enhances the sensory experience without compromising mildness.
Active Substance Concentration
High Biodegradability Rating
1,4-Dioxane & Ethylene Oxide
Optimized Physiological pH Range
Targeted pathways to integrate DLSS 50% Paste into global consumer cosmetic niches.
Ideal for formulation trends in Asia-Pacific markets focusing on barrier repair. DLSS 50% paste can be emulsified under low temperatures along with Sodium Cocoyl Glycinate and Sodium Lauroyl Sarcosinate, creating an elegant cream paste with a smooth skin feel and zero tightness post-wash.
For European and North American clean-label toddler products, DLSS functions as a gentle foaming agent. Its structural properties allow formulators to pass strict ocular tolerance (tear-free) tests while meeting natural cosmetics certifications.
Compatible with active ingredients like salicylic acid, zinc PCA, and niacinamide. DLSS provides deep follicular cleansing to clear sebum plugs without inducing secondary inflammatory responses characteristic of aggressive anionic systems.
The evolution of surfactant systems is driven by environmental concerns and clinical safety demands. Currently, the chemical industry is migrating from fossil-derived feedstock toward completely bio-sourced intermediates. DLSS is situated at the forefront of this shift, utilizing renewable plant-derived lauryl alcohol as its lipophilic tail.
Technological roadmaps indicate a focus on manufacturing optimization to reduce free maleic anhydride and free inorganic salts to near-zero levels. This increases the cold-temperature stability of the 50% paste, preventing crystallization during marine transit and low-temperature storage.
Over the next decade, sulfosuccinates are projected to replace traditional ether sulfates (SLES) in up to 40% of prestige personal care formulations globally due to their carbon footprint advantages and compliance with strict clean-beauty retail policies.
Ensuring uninterrupted supply, consistent quality, and logistical efficiency for global operations.
As a leading supplier in the daily chemical raw materials industry, Suzhou Yuantairun Chemical Co., Ltd. is dedicated to delivering high-quality products and comprehensive one-stop services to support our customers in R&D, production, and supply chain optimization.
Our state-of-the-art laboratory and manufacturing facilities guarantee batch-to-batch consistency. Our factory leverages localized sourcing of raw materials, nearby transport hubs, and advanced esterification and sulfonation technology to buffer against global supply shocks.
Optimize your formulation using typical combinations of mild surfactants and thickeners.
| Ingredient Type | Common Name / CAS | Standard Dosage | Function in System |
|---|---|---|---|
| Primary Surfactant | Disodium Lauryl Sulfosuccinate 50% Paste (CAS 13192-12-6) | 15.0% - 30.0% | Gentle cleansing, primary foam generation |
| Secondary Surfactant | Sodium Methyl Cocoyl Taurate 30% / Cocamidopropyl Betaine 35% | 5.0% - 15.0% | Synergistic mildness, foam stabilizer, viscosity builder |
| Non-ionic Co-surfactant | Lauryl Glucoside / Caprylyl/Capryl Glucoside (APG0810) | 2.0% - 8.0% | Enhances skin tolerance, boosts lather quality |
| Polymeric Thickener | PEG-120 Methyl Glucose Dioleate (CAS 86893-19-8) | 0.5% - 1.5% | Viscosity builder, reduces formula irritation |
| Preservative System | DMDM Hydantoin (CAS 6640-58-0) / Phenoxyethanol | 0.2% - 0.8% | Broad-spectrum antimicrobial protection |
*Note: The optimum ratio depends on the target viscosity, packaging type (pump or tube), and dermatological claims.
Navigating global regulatory landscapes is critical for brands aiming to commercialize skincare products worldwide. Our Disodium Lauryl Sulfosuccinate 50% Paste complies with leading regulatory frameworks, including EU Cosmetics Regulation (EC) No 1223/2009, US FDA guidelines, and China's Safety and Technical Standards for Cosmetics.
Every shipment is accompanied by a comprehensive Certificate of Analysis (COA), Technical Data Sheet (TDS), and safety documentation (SDS) matching GHS standards. Our technical teams provide localized support, assisting with registration processes, heavy metal testing, and custom chemical synthesis parameters to align with local markets.
Pre-registered for compliant European distribution.
Certified quality management systems.
Natural origin raw material options available.
Supports sustainable palm oil supply chain paths.
Technical guidance for chemical purchasers and formulation scientists.
Connect with Suzhou Yuantairun Chemical Co., Ltd. today to request tech specs, samples, or customized quotes.
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