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SHEA BUTTERAMIDOPROPYL BETAINE.

Valuable CAS - / CLEANSING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING

Shea Butteramidopropyl Betaine is an amphoteric surfactant derived from shea butter, meticulously engineered for effective cleansing while imparting a conditioned feel. It functions by reducing surface tension to lift impurities, concurrently enhancing foam quality and product mildness. This versatile ingredient promotes skin hydration rather than stripping.

Summary

Cleansing Foam Boosting Conditioning Emollient Antistatic Viscosity Building Mildness Enhancer

Science

Mechanism of Action

As an amphoteric (or zwitterionic) surfactant, Shea Butteramidopropyl Betaine significantly lowers the surface tension of liquids. This action facilitates the emulsification and subsequent removal of fat and soil particles from the skin and hair, ensuring thorough cleansing. Beyond its primary cleansing role, it serves as a robust foam booster, improving the volume, texture, and stability of lather. Its inherent emollient and antistatic properties are crucial for leaving the skin feeling conditioned and hydrated, mitigating the typically stripped sensation associated with conventional surfactants. Furthermore, it demonstrates the ability to reduce the potential for irritation from other surfactants within a formulation, contributing to overall product mildness.

Research

Clinical Evidence

Medium confidence
Effective range 1–25%
Optimal

N/A

Key findings

  1. 01 Recommended use levels for various applications include 1-25% for skin products and 1-10% for hair products, effectively contributing to cleansing, foam boosting, mildness, conditioning, and viscosity building in formulations.

Transparency

Dusting Analysis

Not commonly dusted

Data does not suggest this ingredient is commonly associated with dusting concerns.

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 8
0 7 14

Stability

This ingredient exhibits stability within its optimal pH range but is susceptible to oxidation. It effectively enhances foaming characteristics, improves viscosity, and contributes to better combability and conditioning when formulated with anionic surfactants. It can also increase the thickness of cleansers when combined with other salt-thickenable surfactants. Notably, it can be utilized as a sole surfactant in formulations for babies and children, and in specific non-rinse facial products such as micellar cleansers, while maintaining product clarity.

Synergies

  • Anionic surfactants (for enhanced foaming, viscosity, combability, and conditioning)
  • Other salt-thickenable surfactants (for increased viscosity in cleansers)

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

This ingredient is generally restricted to rinse-off cosmetic products due to safety considerations for prolonged skin contact. However, it is specifically noted as suitable for certain non-rinse applications, including baby and children's products and micellar cleansers, suggesting these uses fall within the acceptable parameters of its safety profile and restrictions.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Shea Butteramidopropyl Betaine is a valuable amphoteric surfactant, offering effective cleansing, enhanced foam, and a conditioned skin feel, making it particularly suitable for mild, rinse-off formulations.

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