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Highly effective anionic surfactant based on ethoxylated lauryl alcohol sulfate.
Excellent foaming and foam-stabilizing properties, even in hard water conditions.
Good compatibility with cationic, nonionic, and amphoteric surfactants.
Mild to skin and eyes, supporting formulation of gentle personal care products.
Biodegradable molecular structure aligned with modern environmental stewardship requirements.
Shampoos and body washes requiring rich, creamy lather and mildness.
Hand soaps and liquid cleansers for institutional and household use.
Facial cleansers and baby care formulations where low irritation potential is critical.
Color-safe laundry detergents and low-foam industrial cleaning concentrates.
| Chemical Type | Anionic surfactant (Alcohol ether sulfate) |
| Product Form | Pale yellow to amber viscous liquid |
| Appearance | Clear to slightly opalescent liquid at 25 °C |
| pH (10% aqueous solution) | 6.5–8.0 |
| Active Matter Content | 28–30 wt% |
| Free Alcohol Content | ≤ 2.5 wt% |
| Sodium Sulfate Content | ≤ 4.0 wt% |
| Storage Stability | Stable for ≥12 months at 5–30 °C in sealed containers |
Q1: What is the primary function of Lutensit A-ES in personal care formulations?
A: Lutensit A-ES is an amphoteric surfactant primarily used as a mild co-surfactant and foam booster in cleansing products such as shampoos, body washes, and facial cleansers. It enhances foam volume and stability while reducing irritation potential compared to anionic-only systems.
Q2: Is Lutensit A-ES compatible with common anionic surfactants like SLS or SLES?
A: Yes, Lutensit A-ES exhibits excellent compatibility with anionic surfactants including sodium lauryl sulfate (SLS) and sodium lauryl ether sulfate (SLES), helping to improve viscosity, foam quality, and skin feel without phase separation under typical formulation conditions.
Q3: How does pH affect the performance and stability of Lutensit A-ES?
A: As an amphoteric surfactant, Lutensit A-ES demonstrates pH-dependent charge behavior—acting cationic under acidic conditions, zwitterionic near neutral pH, and weakly anionic at higher pH. Its optimal performance in most rinse-off products is observed between pH 5.0 and 7.0, where it contributes balanced mildness and foaming efficiency.
Q4: Can Lutensit A-ES be used in leave-on cosmetic applications?
A: While primarily formulated for rinse-off products, Lutensit A-ES may be incorporated into certain leave-on systems such as gentle toners or low-foam moisturizers—subject to full compatibility and safety assessment. Its mildness profile supports use in sensitive-skin applications when dosage and overall formulation are carefully optimized.
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