S18 Stearamidopropyl Dimethylamine Dual-Action Hair Conditioning & Repair Agent

S18 Stearamidopropyl Dimethylamine Dual-Action Hair Conditioning & Repair Agent

Product Overview

S18 is a multifunctional hair care active ingredient (INCI: Stearamidopropyl Dimethylamine) that delivers exceptional conditioning and repair benefits through its unique pH-dependent properties. This light yellow flaky solid (92-98% C18 chain purity) functions as a non-ionic surfactant in alkaline conditions and transforms into a powerful cationic conditioner in acidic environments, offering formulators unparalleled versatility in hair care systems.

Performance Advantages

Hair Conditioning

Improves wet combing by 60% (vs. untreated hair)

Reduces static by 70% (triboelectric testing)

Enhances dye uptake by 25% in color formulations

INCI name:

Stearamidopropyl Dimethylamine

Product features and efficacy

Formulation Benefits

Dual-functionality simplifies pH adjustment

Acts as co-emulsifier (HLB 8-10)

Cold-process compatible (<45°C)

Recommended Applications

Conditioners (1-3%):

Adjust to pH 4.5-5.5 for cationic activation

Synergizes with behentrimonium chloride

Color Systems (0.5-2%):

Improves dye uniformity

Reduces damage during oxidative processing

Styling Products (0.5-1.5%)

Enhances fiber alignment

Provides heat protection up to 180°C

Packaging & Storage

25kg/ paper bags 

24-month stability at <30°

Protect from moisture

Market Differentiation

1. Cost-Efficient: Replaces 3 ingredients (conditioner + emulsifier + antistatic)

2. Salon-Proven: 92% stylist preference in clinical trials

3. Clean Beauty: Compatible with sulfate-free formulations

Why Choose S18?

Proven Performance: Increases hair diameter by 15% (SEM analysis)

Process Flexible: No heating required for activation

Global Compliance: Meets EU, US, and China cosmetic regulations

Usage Guidelines

1. For Conditioners:

Disperse in warm water (50°C), then add to phase B

Final PH adjustment triggers cationic activity

2.For Creams:

Use 0.5-1% as co-emulsifier

Enhances silicone spreadability