Sodium Lauroyl Sarcosinate (SLAS)
A mild, sulfate-free surfactant that provides gentle cleansing while maintaining skin hydration and enhancing the sensory profile of personal care formulations.
Sodium Lauroyl Sarcosinate (SLAS) is a mild, sulfate-free surfactant derived from natural sources like coconut oil. It is a versatile cleansing agent commonly used in personal care and cosmetic formulations such as facial cleansers, body washes, shampoos, and body foams.
SLAS offers excellent foaming properties while being much gentler than traditional sulfates, making it ideal for sensitive skin and delicate formulations. It helps cleanse the skin effectively while maintaining its moisture balance, reducing the drying effects often associated with harsher surfactants.
Known for its ability to improve the overall sensory feel of products, SLAS adds a luxurious, smooth, and creamy texture to formulations, making them feel comfortable during and after use.
FEATURES
- Gentle cleansing – provides effective but mild cleansing without stripping the skin of its natural moisture.
- Sulfate-free – suitable for sensitive skin and sulfate-free formulations.
- Skin-friendly – reduces irritation and dryness commonly caused by harsher surfactants.
- Foam booster – creates a rich, creamy lather that enhances the user experience.
- Non-drying – helps maintain hydration, leaving the skin feeling soft and smooth after use.
BEST FOR
- Facial cleansers
- Shampoos and conditioners
- Body washes
- Foam cleansers
- Baby care products
- Shaving creams
FORMULATION GUIDELINES
| INCI | Sodium Lauroyl Sarcosinate |
|---|---|
| Type | Surfactant (mild cleansing agent) |
| Solubility | Water-soluble |
| Use Rate | 1.0–5.0% typical for cleansing products; higher concentrations may be used for foaming applications. |
| Best Phase | Water phase, or add directly to formulations to act as the primary surfactant. |
| pH Compatibility | Best used in formulations with a pH of 4.5–7.0. |
| Temperature Tolerance | Stable at typical formulation temperatures. Add below 40°C for emulsions or directly during cool-down for maximum efficacy. |
| Pro Tip | Sodium Lauroyl Sarcosinate can be used in combination with other surfactants like cocamidopropyl betaine or decyl glucoside for enhanced foaming properties. Always test your formulation for skin compatibility and stability, particularly in sensitive skin products. |
| Appearance | Clear to pale yellow liquid |
| Stability Notes | Stable in a wide range of pH levels, but perform stability tests in your final formulation to confirm foaming and sensory results. |
| Storage | Store in a cool, dry place, away from excessive heat and moisture, in a tightly sealed container. |
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