Sheep Wool Extract
Product appearance: Fine white powder
Product specifications: 98%
Product source: Wool
Detection method: UV
Protein: ≥ 10%
Number of mesh: 80-100 mesh
Storage conditions: This product should be sealed, shaded, and kept away from high temperatures. It should be stored in a dry, cool, and well ventilated place
Packaging specifications: 1-5kg/aluminum foil bag, 25kg/cardboard drum
Validity period: 24 months
Hydrolyzed Wool Keratin (Keratin Peptides) is a premium biological active ingredient derived from natural sheep wool. Utilizing advanced bio-enzymatic hydrolysis technology, the dense macro-proteins of wool are cleaved into low-molecular-weight peptides and free amino acids. Exceptionally rich in cysteine, this structural protein matrix is highly substantive to human hair and skin, making it a highly sought-after API for advanced cosmetics, biomedical materials, and specialized agricultural applications.
API Technical Data Sheet
| Parameters | Standard Specification |
| Product Name | Hydrolyzed Wool Keratin / Keratin Peptides |
| Source | 100% Natural Sheep Wool (Ovis aries) |
| Protein/Peptide Content | ≥ 98.0% (Dry basis) |
| Appearance | Light yellow to amber transparent liquid / Pale yellow fine powder |
| Molecular Weight | < 3000 Daltons (Optimized for cuticular penetration) |
| Solubility | 100% Soluble in water; compatible with cosmetic surfactant systems. |
| pH Value (10% solution) | 4.5 - 6.5 (Skin and hair friendly) |
| Processing Method | Bio-Enzymatic Hydrolysis (Non-acid/alkali degradation) |
Formulation Advantages
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1. Uncompromised Bioactivity (Enzymatic Extraction)
Unlike traditional methods that utilize harsh strong acids or alkalis (which destroy essential amino acids like cystine), Xi'an Tihealth employs a proprietary targeted enzymatic hydrolysis. This green process preserves the natural amino acid sequence and structural integrity of the keratin, yielding a purity exceeding 98% with maximal biological affinity to human tissue.
2. Low Molecular Weight for Deep Penetration
By controlling the enzymatic cleavage, we achieve a specific molecular weight distribution (predominantly under 3000 Daltons). This allows the peptides to penetrate beyond the hair cuticle deep into the cortex, providing structural repair rather than merely superficial coating.
3. Superior Safety & Organoleptic Profile
Our solvent-free process ensures zero harsh chemical residues. Heavy metal levels are strictly controlled below 0.1ppm (well below the 1.0ppm industry standard), meeting stringent EU cosmetic regulations. Furthermore, advanced purification minimizes the characteristic odor typically associated with keratin extracts, simplifying cosmetic formulation.
Core Applications & Mechanisms
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1. Advanced Hair Care Cosmetics
Due to its high cystine content, Hydrolyzed Keratin cross-links with the natural keratin of the hair via disulfide bonds. It repairs chemically damaged hair fibers (from bleaching/perming), increases tensile strength, reduces split ends, and forms a protective colloidal film to restore elasticity and shine.
2. Biomedical & Tissue Engineering
In wound healing and regenerative medicine, keratin peptides exhibit significant potential for cell adhesion and keratinocyte proliferation. The presence of specific peptide binding motifs (such as LDV, EDS, and RGD) triggers cellular migration, making it an excellent biomaterial for advanced wound dressings and tissue scaffolds.
3. High-Value Agricultural & Fertilizer Use
As a rich source of organic nitrogen and amino acids, keratin peptides serve as highly bioavailable bio-stimulants. They enhance soil microbiome activity, promote root development, and improve plant resilience against environmental stressors.
Standardized Production Process
1. Preprocessing & Defatting
Raw wool is meticulously washed and defatted using mild, eco-friendly agents to remove lanolin and surface impurities, then mechanically milled to increase surface area.
2. Bio-Enzymatic Hydrolysis
The purified wool is introduced into a bioreactor with specific proteases (such as customized keratinases) under controlled temperature (approx. 55-60°C) and pH. This gently cleaves the peptide bonds without destroying sensitive amino acids.
3. Separation & Ultrafiltration
The enzymatic broth undergoes high-speed centrifugation and membrane ultrafiltration to remove unreacted solids and precisely separate the desired low-molecular-weight peptide fractions.
4. Concentration & Drying
The purified liquid is vacuum-concentrated and then transformed into a highly stable powder via spray drying or freeze-drying, followed by strict microbial sterilization and QA testing.
B2B Frequently Asked Questions
Q1: What is the difference between enzymatic hydrolysis and acid hydrolysis of keratin?
A: Acid hydrolysis destroys essential amino acids like Tryptophan and heavily degrades Cystine. Our enzymatic hydrolysis preserves these critical components, yielding a biologically active peptide that performs significantly better in cosmetic repair.
Q2: Can I get samples for formulation testing?
A: Yes, we fully support R&D efforts. We can provide 10g-50g free samples for your lab testing; clients only need to cover the international courier freight.
Q3: Do you supply both liquid and powder forms?
A: Yes. We can supply standard 100% pure spray-dried powder, as well as customized aqueous solutions (e.g., 20% or 30% active content) preserved with cosmetic-grade preservatives upon request.
Q4: What documentation do you provide for bulk orders?
A: Every commercial batch comes with a full Certificate of Analysis (COA), MSDS, Specification Sheet, and Heavy Metal/Microbiology testing reports from our ISO-certified lab.
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