Description

Keratin is a fibrous structural protein that forms the key structural material in hair, nails, feathers, horns, and the outer layer of skin. Its unique amino acid composition, rich in cysteine which forms disulfide bonds, provides exceptional strength, resilience, and protective properties. This makes it a highly valuable functional ingredient for B2B customers in the cosmetics, personal care, nutraceutical, and biomedical industries seeking to enhance product performance with natural, film-forming, and conditioning agents.

Application

• Hair Care & Cosmetics: As a key ingredient in shampoos, conditioners, masks, and serums to repair damaged hair, improve tensile strength, add shine, and provide thermal protection.
• Skin Care Formulations: Used in creams, lotions, and anti-aging serums for its moisturizing, film-forming, and skin-smoothing properties, helping to improve skin elasticity.
• Nail Care Products: Incorporated into nail strengtheners and hardeners to improve nail durability and reduce brittleness.
• Nutraceuticals & Dietary Supplements: Hydrolyzed keratin is used in supplements aimed at supporting healthy hair, skin, and nail growth from within.
• Biomedical & Tissue Engineering: Explored for use in wound dressings, drug delivery systems, and scaffolds due to its biocompatibility and biodegradability.
• Animal Feed & Pet Care: Added to premium pet food and supplements to support coat health, shine, and overall skin condition in animals.

Basic Information

Product Name	Keratin
CAS No.	9008-18-8
Molecular Formula	Variable (Protein)
Molecular Weight	Variable (Typically 10-60 kDa for hydrolyzed forms)
Synonyms	Keratin Protein; Hydrolyzed Keratin; Keratin Amino Acids; Animal Keratin; Feather Keratin; Wool Keratin; Hair Keratin; Cysteine-Rich Protein; Fibrous Scleroprotein
EINECS	Contact for details

Quality Control

Our Keratin is produced and tested under a strict quality management system. Each batch is analyzed to ensure it meets stringent specifications for purity, amino acid profile, and microbiological safety. We can supply grades suitable for cosmetic, personal care, and nutraceutical applications, with compliance to relevant guidelines. A comprehensive Certificate of Analysis (COA) detailing assay, impurity limits, and physical parameters is provided with every shipment.

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 product is hygroscopic (moisture-sensitive); ensure the container is kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms
Assay (Protein Content)	≥ 95.0% (on dry basis)
Loss on Drying	≤ 6.0%
Ash	≤ 2.0%
Heavy Metals (as Pb)	≤ 10 ppm
Total Plate Count	≤ 1000 CFU/g
Yeast & Mold	≤ 100 CFU/g
E. coli	Negative
Salmonella	Negative

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