Description

Hydroxypropyltrimonium Hydrolyzed Silk is a cationic, protein-derived conditioning agent widely used in personal care formulations. This specialty ingredient matters for its ability to impart exceptional smoothness, softness, and manageability to hair while improving tensile strength and reducing static. It is primarily needed by manufacturers of premium hair care products, including shampoos, conditioners, and leave-in treatments, seeking to enhance product performance with a substantive, film-forming polymer.

Application

• Hair Conditioners & Treatments: As a primary cationic conditioning agent to improve wet combing, detangling, and impart long-lasting softness.
• Shampoos & 2-in-1 Products: Incorporated to provide conditioning benefits without compromising cleansing, reducing flyaway and improving shine.
• Leave-in Sprays & Serums: Used for its film-forming and protective properties to enhance hair manageability and reduce breakage.
• Color Care & Repair Formulations: Helps to protect chemically treated hair, improve fiber integrity, and prolong color vibrancy.
• Skin Care Lotions & Creams: Functions as a gentle conditioning and moisturizing agent, improving skin feel and smoothness.
• Professional Salon Products: A key ingredient in high-performance treatments and styling aids for damaged or fragile hair.

Basic Information

Product Name	Hydroxypropyltrimonium Hydrolyzed Silk
CAS No.	169590-61-8
Molecular Formula	Typically provided as a mixture; based on protein hydrolysate.
Molecular Weight	Variable (Low to medium molecular weight hydrolysate)
Synonyms	Hydrolyzed Silk, Trimethylammonium Hydrolyzed Silk; Hydrolyzed Silk, 2-Hydroxypropyltrimonium Chloride; Silk Amino Acids, Hydroxypropyltrimonium Chloride; Cationic Hydrolyzed Silk Protein; Silk Quat; Silk Protein, Hydrolyzed, 2-Hydroxypropyltrimonium Derivative; INCI Name: Hydroxypropyltrimonium Hydrolyzed Silk
EINECS	Contact for details

Quality Control

Our Hydroxypropyltrimonium Hydrolyzed Silk is manufactured under strict quality management systems. Each batch undergoes rigorous testing to ensure consistency in activity, purity, and performance for cosmetic applications. A comprehensive Certificate of Analysis (COA) detailing assay, identification, pH, and other critical parameters is available upon request to support your quality assurance and regulatory compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from excessive heat and incompatible materials.

Specification

Item	Specification
Appearance	Clear to pale yellow viscous liquid
Identification (IR)	Conforms to standard
Assay (Nitrogen Content)	Contact for details
pH (as is or in solution)	4.0 - 6.5
Solids Content	Contact for details
Viscosity	Contact for details
Heavy Metals (as Pb)	< 10 ppm
Microbiological Quality	Meets cosmetic grade requirements

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.