Palmitoyl Tetrapeptide-7 Powder
Description
Palmitoyl Tetrapeptide-7 Powder – Premium Anti-Aging Peptide for Advanced Cosmetic Formulations
Xian Le-Nutra Ingredients Inc. is a pharmaceutical grade Palmitoyl Tetrapeptide-7 Powder with the purity of ≥98.0% by HPLC test. We produce 3,000 tonnes a year from our 60,000㎡ GMP-certified factory, offering world-class anti-aging skin care products of the highest quality. This white crystalline peptide powder offers proven anti-inflammatory and collagen protecting advantages. We have over 14 years of experience in peptide manufacture and give full technical documentation including COA, TDS and Certificates of Compliance. We directly supply from the factory, and guarantee cheap price, 98% on-time delivery, and a full range of OEM/ODM customisation service to cosmetic manufacturers across the world.
What Is Palmitoyl Tetrapeptide-7 Powder?
It is a synthetic peptide compound having a four amino acid sequence conjugated to a palmitic acid chain for increased skin penetration. The molecule’s structure allows the active substance to penetrate to dermal fibroblasts efficiently.
The lipophilicity of the palmitoyl group enables the peptide to penetrate the stratum corneum barrier readily. This design overcomes a common problem in the topical distribution of peptides.
Studies have shown that it can reduce interleukin-6 release by as much as 40% in fibroblast cells. This method shields structural proteins against inflammatory breakdown.
Together with Palmitoyl Tripeptide-1 in a 1:3 ratio, it forms the famous Matrixyl 3000 complex. This combination has synergistic anti-aging and repairing properties known throughout the cosmetic industry.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Palmitoyl Tetrapeptide-7 |
| CAS Number | 221227-05-0 |
| Appearance | White to off-white crystalline powder |
| Assay | ≥98.0% (HPLC) |
| Molecular Weight | 694.9 g/mol |
| Molecular Formula | C₃₄H₆₂N₈O₇ |
| pH (1% solution) | 5.0–7.0 |
| Loss on Drying | ≤0.5% |
| Heavy Metals | ≤10 ppm |
| Lead | ≤2 ppm |
| Arsenic | ≤2 ppm |
| Total Plate Count | ≤100 CFU/g |
| E. Coli | Negative |
| Salmonella | Negative |
| Storage | Sealed, cool, dry, dark place; refrigeration recommended |
| Shelf Life | 24 months |
Core Functional Benefits
Anti-inflammatory Effects
The peptide sequence is a direct regulator of cytokine expression in dermal tissue. It blocks pro-inflammatory signalling pathways and decreases chronic skin inflammation that speeds up ageing.
This method is particularly beneficial for formulas intended for delicate skin. It soothes reactionary responses and supports natural repair processes.
Protection of Collagen
Matrix metalloproteinases destroy structural proteins in stress and ageing. Our medication blocks these enzymes, ensuring the maintenance of existing collagen networks.
Such protective effect is in addition to promotion of collagen production . Combined, they help to preserve dermis density and flexibility throughout time.
Barrier Repair Support
Inflammation may damage the skin's protective barrier. The peptide decreases inflammation-induced barrier breakdown which aids in quicker healing.
Improved barrier function helps skin hold water and be less sensitive. This makes the best circumstances for the other active substances to work well.
Formulation Compatibility & Applications
Its proven ability to reduce wrinkles also helps your anti-aging serums. Final formulations are generally used at levels of 3 to 10 ppm.
Eye creams have a big leg up because to its moderate yet efficient anti-inflammatory characteristics. The peptide targets fine periorbital ageing without discomfort.
Its barrier repair properties are utilised for post-procedure skincare products. It aids recuperation after aesthetic treatments and reduces downtime.
Synergistic Combinations:
- Matrixyl 3000 Complex: Combine with Palmitoyl Tripeptide-1 (1:3 ratio) for comprehensive anti-aging effects
- Sensitive Skin Formulas: Pair with ceramides, panthenol, and centella asiatica for enhanced tolerance
- Firming Products: Match with Pro-Xylane and copper peptides for multi-dimensional lifting benefits
The Palmitoyl Tetrapeptide-7 Powder exhibits excellent thermal stability within pH ranges of 4.0–7.0. This versatility simplifies formulation across various product textures and delivery systems.
Quality Assurance & Manufacturing Standards
We test all production batches extensively at multiple points in our ISO-certified laboratories. HPLC was used to confirm peptide purity and sequence.
Heavy metal screening for compliance with international cosmetic safety standards. Microbial testing eliminates any risk of contamination before packaging.
Our quality control team provides complete paperwork including Certificate of Analysis, Technical Data Sheet, and Material Safety Data Sheet. This transparency supports your regulatory filing responsibilities.
Our whole production process is managed by GMP manufacturing protocols. We adhere to pharmaceutical-grade standards, from raw material verification to final product release.
Batch traceability solutions allow total supply chain insight. You receive consistent quality backed by extensive testing records.

Packaging & Global Delivery
Standard packaging utilizes 25 kg fiber drums with double-layer food-grade polyethylene liner bags. This arrangement maintains peptide stability throughout international shipment.
We offer multiple delivery terms like EXW, FOB, CFR, CIF, DAP, and DDP to accommodate your logistics demands. Our established shipping networks service North America, Europe, and Asia-Pacific markets efficiently.
Safety stock exceeding 30 days insures immediate order fulfillment. Combined with our 3,000-ton yearly capacity, we support both experimental orders and large-scale commercial requirements.
Temperature-controlled transportation methods safeguard product integrity for delicate goods. We work with expert cosmetic ingredient transporters for appropriate handling.

FAQ
Q: What is Palmitoyl Tetrapeptide-7 & How does it work?
A: Palmitoyl modification increases the penetration of the peptide through the skin and allows it to reach the target fibroblasts effectively. Once absorbed it blocks inflammatory agents that break down collagen and speed up ageing. Clinical data demonstrates up to 40% reduction in IL-6 secretion which protects structural proteins from degradation.
Q: How do you keep this peptide?
A: Keep the powder in sealed containers in cool dry dark settings. Stability can be increased and peptide activity retained by refrigeration (2-8°C). Do not expose to intense light, heat and moisture as they may impair the peptide integrity over time.
Q: Can you customize purity or specifications?
A: Yes, our R&D team offers a full range of OEM/ODM services including specification adjustment, formula creation and package customisation. Purity levels, peptide content and salt forms can be customised to suit your individual formulation needs.
Q: What kind of certificates do you offer?
A: Each shipment comes with COA, TDS, Allergen Statement, Non-GMO Declaration, and available Halal/Kosher certifications. GMP and ISO 9001 certified facility. We support third-party testing and documentation for global cosmetic regulatory compliance.
Q: What’s the minimum order quantity?
A: MOQ is adjustable and depends on the volume of your project and your customisation needs. Contact our experts to discuss your specific demands and get specialised supply options.

Partner With a Trusted Peptide Manufacturer
Ready to elevate your anti-aging formulations with Palmitoyl Tetrapeptide-7 Powder? Contact us at enquiry@lenutra.com for product samples, technical specifications, and customized quotations tailored to your requirements.
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