Cocoamidopropyl Betaine(CAPB)

Cocamidopropyl Betaine (CAPB): –

CAS NUMBER: –61789-40-0 

Cocamidopropyl Betaine (CAPB) is a mild surfactant derived from coconut oil and dimethylaminopropylamine. It is widely used in personal care and cosmetic formulations due to its excellent cleansing, foaming, and conditioning properties.

Physical Form of CAPB

• Appearance: Clear to slightly hazy yellowish liquid

• Consistency: Viscous, water-soluble solution

• pH Range: Typically 5.0–6.0

• Charge: Zwitterionic – contains both positive and negative charges, making it compatible with a wide range of ingredients

🧴 Common Uses in Personal Care & Cosmetics

🔬 Functional Benefits

1. Mild Surfactant

   • Less irritating than traditional sulfates (e.g., SLS, SLES)

   • Suitable for sensitive skin and eyes

2. Foam Booster

   • Enhances foam volume and stability when used with primary surfactants

3. Viscosity Builder

   • Helps increase product thickness without additional thickeners

4. Cleansing Agent

   • Effectively removes dirt, oil, and impurities

5. Conditioning Effect

   • Leaves a soft feel on hair and skin

6. Synergistic with Other Surfactants

   • Works well with anionic surfactants (e.g., SLES) to reduce overall irritation

⚠️ Safety & Irritation Concerns

• Generally considered safe for cosmetic use at concentrations typically 1–10%

• Trace contaminants (e.g., DMAPA or amidoamine) may cause allergic reactions in sensitive individuals

• Well-tolerated in rinse-off products; less commonly used in leave-on formulations

🌱 INCI Name: Cocamidopropyl Betaine

• Often labeled as “Derived from coconut oil”

• Accepted in natural and organic formulations depending on certification standards