Descriptiopn
Name:Alice
Whatsapp:+852 5513 4538
Email:alice@tongpeptides.com
Name:Alice
Whatsapp:+852 5513 4538
Email:alice@tongpeptides.com
SK5 is a high-performance functional cosmetic raw material tailored for modern skincare formulation development. Crafted through refined synthetic processes and rigorous purification techniques, this innovative ingredient boasts stable molecular activity, superior solubility and ultra-mild properties, which makes it a premium additive for mid-to-high-end personal care products and biochemical research projects. Compared with traditional skincare raw materials with single effects, SK5 combines multiple gentle conditioning functions, adapting to diverse skincare needs and complex formula systems.

The core performance of SK5 focuses on skin microenvironment regulation and comprehensive skin conditioning. In daily skin exposure, external factors such as dry air, light irritation and environmental impurities can easily disrupt skin balance and cause tired, dull and unsmooth skin conditions. SK5 can effectively regulate the superficial skin metabolic state, alleviate adverse reactions caused by external stimuli, and gradually improve uneven skin texture and dim complexion. It works gently to activate skin vitality, help the skin maintain a fresh and radiant state, and lay a good foundation for long-term skin maintenance.

In terms of skin care and maintenance, SK5 has excellent barrier-stabilizing and moisturizing auxiliary effects. It can replenish and lock skin moisture efficiently, relieve dryness, tightness and roughness, and improve dry and flaky skin problems. Meanwhile, it assists in strengthening the firmness and stability of the skin’s protective layer, enhancing skin self-resistance to external environmental interference. Its ultra-mild and non-irritating characteristics make it compatible with all skin types, including delicate and sensitive skin, with no burden on the skin surface.

Our SK5 raw materials are produced in strict accordance with industrial quality standards. With multi-step purification, impurity removal and stability testing, the products feature high purity, stable batch quality and excellent formula compatibility. It can be well integrated with water-based, emulsion and cream formula systems, without causing stratification, discoloration or activity attenuation of finished products, greatly supporting customers’ formula innovation, upgrading and stable mass production.

Suitable for brightening skincare essences, moisturizing lotions, repair skincare creams and daily protective products, our SK5 raw materials are equipped with complete qualification test reports and stable supply capacity.
Shipping Method 
Introduction to Our Factory
We are a professional and reliable peptide manufacturing factory in China, focusing on the R&D, production and supply of high-purity research-grade peptides and biochemical raw materials. Adhering to strict production standards and complete quality control systems, we are committed to providing cost-effective, high-quality peptide products and stable global supply services for international customers.
Quality is our core advantage. All our peptide products adopt advanced synthesis and purification technology, with universal HPLC purity over 99%. Every batch of goods undergoes strict laboratory testing, including high-performance liquid chromatography and mass spectrometry analysis. Complete test reports are provided to ensure stable ingredient content, low impurity rate and consistent product quality. All products are lyophilized and sealed in sterile independent vials to guarantee long-term stability during international transportation and storage.
Compared with other suppliers in the industry, we offer obvious price advantages. With independent production bases, standardized assembly lines and integrated supply chain management, we effectively reduce intermediate costs. We provide factory-direct wholesale prices while maintaining top-tier purity and quality, helping customers maximize profit margins with high cost performance.
Sufficient in-stock inventory covers mainstream peptide products, enabling rapid shipment within 1–3 working days after order confirmation. We have long-term cooperative professional freight teams, supporting stable and safe shipping to Europe, America, Southeast Asia, South America and other regions worldwide. With rich international export experience, our professional document sorting and standardized packaging greatly improve customs clearance pass rate, effectively avoiding customs detention risks and ensuring safe and smooth delivery of each order.
We always insist on standardized export procedures, stable quality control, competitive factory prices and efficient after-sales service, aiming to become your most trustworthy long-term peptide supply partner. All products are for laboratory research use only, not for human clinical use. 
Q1: Why should you buy from us instead of other suppliers?
A1: Because we are a factory, we can provide lower prices and guaranteed quality. We have extensive experience in domestic and foreign trade and provide services in an honest, timely and efficient manner.
Q2: When can I receive the package?
A2: It will be shipped as soon as possible after payment, and the shipping time is generally 7 to 12 days.
Q3: What is the minimum amount I can order?
A3: The minimum quantity we can order is 1 box, which contains 10vials.
| Items | Specifications |
| SK5 | 5mg*10vials |
| SK10 | 10mg*10vials |
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ECHEMI Editorial Reference
LL-37, Human acetate is a 37-residue, amphipathic, cathelicidin-derived antimicrobial peptide, which exhibits a broad spectrum of antimicrobial activity.
Research & Reference Note
SK5| TongPeptides | 99% Purity |COA is listed on ECHEMI for industrial / laboratory sourcing. This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.
Disclaimer: This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.
Reviewed by ECHEMI Scientific Review - Platform editorial review for research chemicals
Indonesia
