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INGREDIENT DICTIONARY

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Sodium Lauroyl Sarcosinate

INCI: Sodium Lauroyl Sarcosinate | CAS #: 137-16-6
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Sodium lauroyl sarcosinate is a mild anionic surfactant used in cosmetic formulations to provide effective cleansing with improved skin tolerance.

What is Sodium Lauroyl Sarcosinate & why is it used?

It is used to provide effective cleansing while maintaining a milder skin feel compared to traditional anionic surfactants.

It is commonly combined with amphoteric and non-ionic surfactants to create balanced cleansing systems.

QUALITY MATTERS

Why specification quality matters

Cosmetic-grade sodium lauroyl sarcosinate with clean composition and stable performance, supporting consistent formulation results. 

Solubility Water soluble
Primary function Surfactant
Use level 3.0–15.0%

Behaviour in formulations

It reduces surface tension to remove dirt and oils and works with other surfactants to balance cleansing strength and mildness.

Sensory notes

Sodium lauroyl sarcosinate provides effective cleansing with a lighter, less harsh feel compared to traditional anionic surfactants. It contributes to good foam while maintaining improved skin comfort.

Formulation considerations

PROCESSING

Add to the water or surfactant phase with mixing until uniform. Avoid excessive aeration.

COMPATIBILITY

Compatible with most surfactants, including amphoteric and non-ionic systems. Performs best when combined with milder surfactants to balance cleansing strength.

pH
Stable across typical cosmetic pH ranges.
FORMULATION EXAMPLES

Facial cleanser

  • Sarcosinate: 3–6%
  • CAPB: 3–6%
  • Coco-glucoside: 2–5%

Balanced cleansing with good mildness.

 Body wash

  • Sarcosinate: 5–10%
  • CAPB: 3–8%
  • Refatting agent: 2–4%

Improved cleansing with better skin feel.

 Shampoo

  • Sarcosinate: 5–10%
  • Surfactant system
  • Conditioning additives

Supports effective cleansing with improved tolerance.

Use level considerations

Recommended range 3.0–15.0%
Suggested starting level 5–10% for most cosmetic formulations%

Typically used at 3–15% depending on system. 

Formulation summary

A mild anionic surfactant used to provide effective cleansing while maintaining improved skin comfort.

Quality notes

Cosmetic-grade sodium lauroyl sarcosinate with clean composition and stable performance, supporting consistent formulation results. 

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