Cocamidopropyl Betaine
Cocamidopropyl Betaine

Cocamidopropyl Betaine

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CAS: 61789-40-0

INCI: Cocamidopropyl Betaine

Chemical Structure:

  • Cocamidopropyl betaine is a synthetic surfactant derived from coconut oil. It is an amphoteric compound, meaning it contains both positively and negatively charged groups.
  • The chemical structure includes a quaternary ammonium group and a carboxylate group.

Physical Form:

  • It is typically supplied as a clear to pale yellow liquid.

Function in Formulations:

  1. Surfactant: Cocamidopropyl betaine is a surfactant, meaning it lowers the surface tension between substances, allowing them to mix more easily. It helps in the foaming and cleansing properties of a product.

  2. Viscosity Enhancer: It contributes to the viscosity (thickness) of formulations, helping to stabilize and improve the texture of liquid products.

  3. Mildness: Cocamidopropyl betaine is known for its mildness, making it suitable for use in personal care products, especially those designed for individuals with sensitive skin.

  4. Antistatic Agent: It helps reduce static electricity, making it a common ingredient in hair care products like shampoos and conditioners.

Common Applications:

  • Cocamidopropyl betaine is commonly used in a variety of personal care products, including shampoos, conditioners, body washes, facial cleansers, and liquid soaps.


  • Provides effective cleansing and foaming properties.
  • Enhances the viscosity and texture of formulations.
  • Adds mildness to products, making them suitable for sensitive skin.


  • It is compatible with a wide range of other surfactants and cosmetic ingredients.


  • Cocamidopropyl betaine is generally well-tolerated, but as with any ingredient, individuals with known sensitivities should perform patch tests.

Regulatory Status:

  • It is widely accepted and considered safe for use in personal care products when formulated according to industry standards.

Certificate of Analysis - Material Safety Data Sheet

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