Unveiling the Versatility of Cocamidopropyl Betaine (CAB/CAPB) in Personal Care and Household Products

Discover the versatility of Cocamidopropyl Betaine (CAB/CAPB) – an organic compound derived from coconut oil, celebrated for its mildness and compatibility. From personal care essentials like shampoos and body washes to household staples such as dishwashing liquids, explore how this ingredient elevates product formulations, offering effective cleansing and gentle care for both skin and surfaces.

In this article you can read about:

Cocamidopropyl Betaine (CAB/CAPB) stands as a cornerstone ingredient in the personal care and household products industry, renowned for its multifaceted properties. Derived from coconut oil, this organic compound exhibits an array of characteristics, from mildness to antimicrobial prowess. Its applications span across a spectrum, from gentle baby care products to potent household cleaners. In this comprehensive exploration, we delve into the essence of Cocamidopropyl Betaine, unraveling its defining features and diverse applications.

What is Cocamidopropyl Betaine (CAB/CAPB)?

Cocamidopropyl Betaine is an organic compound that belongs to the class of surfactants, specifically the amphoteric surfactants. It is derived from coconut oil and dimethylaminopropylamine. The INCI name for Cocamidopropyl Betaine is Cocamidopropyl Betaine. It is often marketed under trade names such as CAB-35/ CAB-45. Its CAS number is 61789-40-0.

Cocamidopropyl betaine(CAB) in a glass vial

Characteristics and Features

1. Mildness: CAPB is known for its mildness and low irritation properties, making it suitable for use in gentle personal care products, particularly those intended for sensitive skin or baby care products.

2. Compatibility: It exhibits excellent solubility and compatibility with other surfactants, providing formulating flexibility. It can be used as a primary or secondary surfactant in various formulations.

3. Foaming and Thickening: CAPB offers significant foaming, emulsifying, cleansing, and thickening abilities. It contributes to the richness of foam in formulations such as shampoos and bubble baths.

4. Anti-Microbial Properties: It possesses antimicrobial properties, being effective against various common bacteria and fungi, which adds to its appeal in personal care and household cleaning products.

5. Biodegradability: Derived from natural coconut extract, Cocamidopropyl Betaine exhibits an excellent degradation rate, making it environmentally friendly.

6. Stability: CAPB is stable under proper storage conditions. However, it should be stored in a cool, dry place away from direct sunlight and is incompatible with potent oxidizing agents.


Cocamidopropyl Betaine finds applications in various products including:

– Personal Care Products: Shampoos, conditioners, body washes, hand soaps, facial cleansers, baby care products.

– Household Cleaning Products: Dishwashing liquids, laundry detergents, surface cleaners.

– Cosmetics: Creams, lotions, makeup removers.

Safety and Regulatory Considerations

Cocamidopropyl Betaine is generally considered safe for use in cosmetics and personal care products when used as directed. It has undergone extensive testing for safety and efficacy.

In summary, Cocamidopropyl Betaine (CAB/CAPB) is a versatile surfactant prized for its mildness, compatibility, and effectiveness in various personal care and household products, making it a sought-after ingredient in the industry.

Hand Soap Liquid Formula:

IngredientWt, % (as is)Function
SLES 70%3%-5%Primary Surfactant
CAB 35%3%-5%Secondary Surfactant
CDEA 85%1%-1.5%Secondary Surfactant
PCMX0.2%Antiseptic agent
EDTA-2Na0.1%Chelating agent
Fragrance, Dye, Preservatives0.2%-0.5%Additives
Deionized waterbalanceSolvent, Carrier
Salt(NaCl)Add according to vicosityThickener
Citric acidReach pH(7-8)pH Adjuster

Technical Specification:

ClassificationAmphoteric surfactantAmphoteric surfactant
Appearance (25°C)Colorless to light yellowish liquidColorless to light yellowish liquid
Density, g/ml (25°C)1.051.05
Color (Hazen)≤100≤100
Cloud point, °C(1% water solution)-3-3
Flash Point, °C(1% water solution)>94>94
Freeze Point, °C-10-10
Active matter content, %28.0~32.038.0~42.0
Solid content, %33.0~37.043.0~47.0
pH value (1% aqueous solution)4.0~7.05.0~7.0
Sodium chloride content, %≤6.0≤7.0
Free amine content, %≤0.5≤0.5

How Sodium Lauryl Ether Sulfate (SLES) Works with Cocamidopropyl Betaine in products

Sodium Lauryl Ether Sulfate (SLES) is a mild anionic surfactant widely used in cleaning detergents and personal care products. When combined with Cocamidopropyl Betaine (CAPB) in formulations, they can create effective and versatile products. Here’s how SLES works with CAPB in products:

Sodium Lauryl Ether Sulfate (SLES)

Cleaning Power

SLES is known for its excellent cleaning properties, as it effectively removes dirt, oil, and grease from surfaces. When combined with CAPB, which also contributes to the cleaning action, they create a synergistic effect, enhancing the overall cleaning power of the product. This is particularly beneficial in products like shampoos and body washes where thorough cleansing is essential.

Foam Formation

SLES is a known foaming agent, producing rich and stable foam in formulations. CAPB also contributes to foam formation, albeit to a lesser extent compared to SLES. When used together, they create a luxurious lather that enhances the sensory experience of using the product. This is desirable in products like shampoos, hand soaps, and bubble baths.


While SLES can be harsh when used alone in high concentrations, combining it with CAPB helps mitigate its potential to cause irritation. CAPB is known for its mildness and skin-friendly properties, making it an ideal companion to SLES in products intended for sensitive skin or frequent use.

Viscosity and Stability

SLES contributes to the viscosity of formulations, helping to thicken the product and improve its texture. When combined with CAPB, which also acts as a thickener, they enhance the overall stability of the formulation, preventing ingredient separation and ensuring uniform distribution of active components.


SLES and CAPB are compatible with a wide range of other ingredients commonly used in home and personal care formulations. This compatibility allows formulators to create complex formulations with multiple active ingredients while maintaining product integrity and performance.


By combining SLES and CAPB, formulators can achieve the desired performance characteristics at a lower overall cost compared to using either ingredient alone in high concentrations. This makes them an attractive option for manufacturers looking to optimize their formulations without sacrificing quality.

In summary, Sodium Lauryl Ether Sulfate (SLES) and Cocamidopropyl Betaine (CAPB) complement each other well in home and personal care products, enhancing cleaning power, foam formation, mildness, viscosity, stability, compatibility, and cost-effectiveness. Their combination allows formulators to create high-quality products that meet consumer needs and preferences.

In conclusion, the synergy between Sodium Lauryl Ether Sulfate (SLES) and Cocamidopropyl Betaine (CAPB) exemplifies the pinnacle of formulation excellence in personal care and household products. Their combined attributes not only enhance the efficacy of cleansers and shampoos but also elevate the sensory experience for consumers. As the industry continues to evolve, these dynamic duos remain at the forefront, driving innovation and meeting the ever-changing needs of discerning consumers worldwide. Embrace the power of collaboration and unlock endless possibilities with SLES and CAPB, shaping the future of home and personal care products.