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Sodium Lauryl Sarcosinate- (NaLS) (Liquid)

Sodium Lauryl Sarcosinate- (NaLS) (Liquid)

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NALS (Sodium Lauryl Sarcosinate) is a mild, biodegradable anionic surfactant derived from fatty acids and sarcosine (an amino acid). These compounds feature lather building and resistance to sebum delathering in cleaners, polymers, industrial chemicals, petroleum and lubricant products. 

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INCI Name

Sodium Lauryl Sarcosinate

Ingredient Origin

  • Amino acid–derived surfactant

  • Derived from fatty acids and sarcosine

  • Plant-based raw material origin (grade-dependent)

  • Suitable for cosmetic and personal care use


  • Purity / Grade

  • Cosmetic Grade

  • Clear to pale yellow liquid

  • Mild characteristic odour

  • Free from sulfates (SLS/SLES-free)

BENEFITS & USES

Key Benefits

  • Mild, skin-friendly cleansing agent

  • Produces rich, creamy, and stable foam

  • Low irritation to skin, scalp, and eyes

  • Helps maintain skin’s natural moisture balance

  • Enhances softness and smooth after-feel in hair

  • Suitable for sulfate-free and gentle formulations

Typical Applications

  • Facial cleansers and face washes

  • Shampoos and conditioners

  • Body washes and shower gels

  • Baby care and sensitive-skin products

  • Intimate hygiene washes

  • Men’s grooming and mild cleansing formulations

HOW IT WORKS

Sodium Lauryl Sarcosinate works by gently lifting and removing dirt, oil, and impurities from the skin and hair surface. Its amino acid–based structure allows effective cleansing while reducing protein denaturation, making it significantly milder than traditional sulfate surfactants. It also improves foam quality and contributes to a smoother, more conditioned sensory profile.

CONCENTRATION & SOLUBILITY

Recommended Usage Levels

  • Facial cleansers: 3.0–8.0%

  • Shampoos & body washes: 5.0–15.0%

  • Baby & sensitive products: 2.0–6.0%

    (Use level depends on formulation and surfactant system)

Solubility Details

  • Water-soluble

  • Easily blends into surfactant systems

  • Compatible with anionic, amphoteric, and non-ionic surfactants


FORMULATION GUIDELINES

  • Sodium Lauryl Sarcosinate has a wide range of applications because of its good foaming ability in a comparatively wider PH value range

  • Chemical formula: RCON (CH3) CH2COONa

  • (RCO = C12 natural)

  • TECHNICAL SPECIFICATION:

  • Appearance: Transparent liquid.

  • Smell: Characteristic.

  • Colour: From colourless to light yellow.

  • pH (10% aqueous solution): 7.5 - 8.5

  • Hydric acids, % by weight maximum: 1.0

  • Chlorides in terms of NaCl, % by weight, maximum: 1.0

  • Formation of a solid precipitate (1050C, 2 hours), % by weight: 29.0 - 32.0

SAFETY & REGULATORY INFORMATION

  • Cosmetic ingredient for external use only

  • Non-therapeutic, non-medical claims

  • Suitable for rinse-off products

  • Compliant with Indian cosmetic regulations (CDSCO)

  • Follow prescribed formulation limits


STORAGE & SHELF LIFE

  • Store in a cool, dry place away from direct sunlight

  • Keep the container tightly sealed

  • Shelf life: 18–24 months (supplier-dependent)