Silk Peptide Powder from Shaanxi Sigma Biotech offers exceptional purity and bioavailability for your formulations. With over 20 a long time of fabricating skill, we deliver enzymatically hydrolyzed silk fibroin peptides with ≥90% peptide substance and atomic weight ≤1000Da. Our generation office keeps up certifications counting ISO 9001, ISO 22000, FSSC 22000, HACCP, HALAL, and Legitimate, guaranteeing each bunch meets universal quality benchmarks. We keep 10-20 tons security stock prepared for prompt shipment inside 5-7 working days.

Our silk peptide stands out since of prevalent retention and viability. The enzymatic hydrolysis prepare breaks down silk fibroin into little atomic peptides that your body can promptly utilize. This cautious preparing jam the common amino corrosive profile whereas making a bioavailable form.
You'll appreciate the steady quality. Each bunch experiences thorough testing from crude fabric choice through last conveyance. Our office combines progressed coastal fabricating measures with coordinate get to to bona fide botanical assets from Shaanxi area. This coordinates approach implies way better fetched control and higher immaculateness for your applications.
Here's what you get with every order:
| Parameter | Specification |
|---|---|
| Appearance | Off-white fine powder |
| Peptide Content | ≥90% |
| Molecular Weight | ≤1000Da |
| Mesh Size | 80-100 mesh |
| Loss on Drying | ≤5% |
| Heavy Metal | ≤10ppm |
| Processing Method | Enzymatic hydrolysis |
| Certifications | ISO, HACCP, Kosher, HALAL |
| Storage | Cool dry place, sealed storage |
High Absorption Rate
Small atomic structure implies quicker infiltration. Whether you're defining supplements or beauty care products, the ≤1000Da atomic weight guarantees effective conveyance of dynamic fixings to where they're required most.
Strict Quality Control
We screen each generation stage. Our testing conventions confirm peptide substance, atomic weight conveyance, and immaculateness levels. This commitment to quality gives you peace of intellect and steady comes about clump after batch.

Complete Certifications
Global compliance things for your trade. Our HALAL, Legitimate, ISO, and HACCP certifications open entryways to universal markets. You can define with certainty knowing administrative necessities are met.
Stable Supply
Never stress approximately stockouts. Our security stock framework guarantees quick accessibility. Combined with our 5-7 day conveyance timeline, you can keep up generation plans without disruption.
Versatile Applications
One fixing, different conceivable outcomes. Utilize it in dietary supplements, utilitarian nourishments, facial veils, serums, salves, or hair care items. The immaculate, off-white powder mixes effortlessly into different formulations.
Cosmetic Formulations
Silk Peptide Powder silk peptides excel in skincare products. The small molecular structure allows deep penetration into skin layers. You'll find them particularly effective in:
Nutritional Supplements
The amino acid profile supports wellness from within. Formulators choose silk peptides for anti-aging supplements and functional food products where protein quality matters.
Professional Use
Beauty salons and dermatology clinics appreciate the immediate visible results. The moisture-binding capacity and skin-soothing properties make it ideal for professional treatments.
Two Decades of Expertise
Our foundation comes from Ningbo Tianhong Biotechnology's established methods. We've refined extraction and purification processes over 20 years. This experience translates to reliable products you can trust.
Technology Meets Origin
Location matters. Operating in Shaanxi gives us direct access to premium raw materials. Our modern facility uses continuous countercurrent extraction, low-temperature concentration, and fine separation techniques. You benefit from this technology-origin integration through competitive pricing and superior quality.
Flexible Customization
Need specific particle sizes? Different packaging? Custom formulations? We offer comprehensive OEM and ODM services. Our team works with you to create exactly what your market demands.

Global Logistics Support
We dispatch around the world through ocean, discuss, or express. Our coordinations group handles documentation, traditions clearance, and following. You'll get straightforward overhauls all through the conveyance process.
Customer-First Approach
Questions do not hold up for trade hours. Our 24/7 communication guarantees you get answers when you require them. We moreover give free tests so you can test some time recently committing to bigger orders. Each buy comes with a 12-month quality guarantee.
Q:What skin anti-aging impacts can I expect?
A:Silk peptides advance collagen amalgamation actually. This makes a difference make strides skin versatility and decreases the appearance of fine lines. The amino acids give building pieces your skin needs for recovery and repair.
Q:How do the moisturizing highlights work?
A:The peptide structure has amazing water-binding capacity. It upgrades skin hydration by drawing in and holding dampness in the stratum corneum. Clients report help from dry, tight-feeling skin with normal application.
Q:Which corrective applications work best?
A:You'll discover silk peptides sparkle as a key fixing in facial covers, serums, salves, and hair care items. The powder frame breaks down effortlessly in fluid arrangements. It remains steady over different pH ranges normal in corrective details.
Transform your formulations with premium silk peptide powder. Contact our team at sarah@sxsigma.com for samples, technical specifications, or custom solutions today.