SLES
High active primary surfactant for rich foam and strong cleansing in shampoos, shower gels, and liquid soaps. Easy to thicken and blend for everyday wash off products.
SLES 70 is a high active anionic surfactant used as the main cleansing base in many rinse off formulas.
It delivers strong foam, good detergency, and excellent cost performance, making it a staple for shampoos, shower gels, hand washes, and liquid soaps.
It blends well with amphoterics like CAPB to improve mildness and reduce irritation potential, and it can be thickened effectively with salt and compatible polymers depending on your system.
FEATURES
- Rich foam – builds dense lather for shampoos and body washes.
- High active – concentrated base improves efficiency in production.
- Blend friendly – pairs well with CAPB and nonionics for a smoother feel.
- Thickening flexibility – viscosity can be tuned with salt and polymer systems.
BEST FOR
- Shampoo
- Shower gel
- Hand wash
- Liquid soap
- Facial cleanser (rinse off)
FORMULATION GUIDELINES
| INCI | Sodium Laureth Sulfate |
|---|---|
| Type | Anionic surfactant (primary cleanser) |
| Solubility | Water soluble |
| Use Rate | 3–20% as supplied in rinse off products, depending on target foam, mildness, and viscosity system. |
| pH Stability | We recommend finished product pH 5.0–6.5 for most consumer cleansers. |
| Temperature Tolerance | Stable under normal processing. We recommend warming gently to reduce viscosity for easier handling, then avoid prolonged high heat. |
| ASM (Active Matter) | ~70% (high active paste) |
| Pro Tip | For smoother, less harsh cleansing, pair SLES 70 with CAPB and a mild nonionic, then adjust viscosity. Always pre-dilute SLES 70 in water before adding salt or polymers to avoid lumping and trapped air. Add salt slowly in small increments while mixing, pausing between additions, and stop once the viscosity peaks. If the system thins, you have passed the salt curve. |
| Appearance | Viscous paste to gel (grade dependent) |
| Stability Notes | Viscosity depends on surfactant ratio, electrolyte level, fragrance load, and preservative choice. Test early with fragrance and preservative. |
| Storage | Keep sealed, cool and dry. Protect from extreme temperatures. Warm gently if thickened in cold conditions. |
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