Description

S-Carboxymethylkerateine is a chemically modified keratin derivative, a key ingredient in advanced cosmetic and personal care formulations. Its value lies in its ability to impart superior conditioning, film-forming, and protective properties to hair and skin, enhancing product performance. This makes it essential for manufacturers in the cosmetics, hair care, and dermatological preparation industries seeking to develop high-end, efficacious products.

Application

• Hair Care Products: As a conditioning agent in shampoos, conditioners, and hair masks to improve manageability, shine, and reduce static.
• Skin Care Formulations: Incorporated into creams, lotions, and serums for its moisturizing and film-forming properties, helping to protect and smooth the skin.
• Color Protection Systems: Used in color-treated hair products to help maintain vibrancy and protect hair fibers from further damage.
• Professional Styling Products: A functional polymer in gels, mousses, and sprays to provide hold while conditioning.
• Nail Care: As a strengthening agent in nail treatment products to improve nail integrity.
• Pharmaceutical Topicals: In dermatological creams and ointments where its film-forming and protective characteristics are beneficial.

Basic Information

Product Name	S-Carboxymethylkerateine
CAS No.	37332-85-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Carboxymethyl Kerateine; Kerateine, S-carboxymethyl-; Carboxymethylated Keratin; Keratin, carboxymethylated; Modified Soluble Keratin; Hair Keratin Amino Acids, Carboxymethyl; Cosmetic Grade Keratin Derivative
EINECS	Contact for details

Quality Control

Our S-Carboxymethylkerateine is produced under a quality management system and undergoes rigorous analytical testing to ensure batch-to-batch consistency and purity suitable for cosmetic and personal care applications. Certificates of Analysis (COA) documenting key parameters such as identification, assay, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay	≥ 95.0%
pH (1% Solution)	5.0 - 7.0
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 10 ppm
Microbiological Count	≤ 1000 CFU/g

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