Tetrapeptide-21 Supplier | CAS 960608-17-7 | Unilong
Cosmetic Peptide for Wrinkle-Focused Skincare
Tetrapeptide-21 is a synthetic signal peptide with the defined Gly-Glu-Lys-Gly sequence. Its cosmetic use is associated with extracellular-matrix signalling involving collagen, hyaluronan and fibronectin. It is selected as a peptide active for products targeting the appearance of fine lines and skin roughness.
The water-soluble powder supports aqueous incorporation in leave-on skincare. Powder supply allows the manufacturer to select the carrier used in its own formula.
Product Data
| Item | Details |
|---|---|
| INCI name | Tetrapeptide-21 |
| CAS number | 960608-17-7 |
| Peptide sequence | H-Gly-Glu-Lys-Gly-OH |
| Sequence abbreviation | GEKG |
| Molecular formula, free peptide | C15H27N5O7 |
| Molecular weight, free peptide | 389.40 g/mol |
| Solubility | Soluble in water |
| Application | Cosmetic manufacturing |
Applications
Facial Serums and Essences
Tetrapeptide-21 is used as a peptide active in leave-on facial serums and essences with anti-ageing positioning. Its water solubility supports incorporation through the aqueous portion of the formula, including water-rich serum bases. The ingredient is relevant to products focused on fine lines and a smoother-looking skin surface.
Facial Creams and Lotions
The peptide is used in facial creams and lotions positioned for wrinkle care and firmer-looking skin. In water-containing emulsions, it can be introduced through an aqueous premix. This application covers peptide-containing moisturisers and anti-ageing face creams manufactured for commercial skincare ranges.
Eye-Contour Care
Eye creams, eye serums and hydrogel eye patches are cosmetic application formats for Tetrapeptide-21-containing formulations. The peptide contributes to a fine-line-focused ingredient system for the skin around the eyes. These are topical cosmetic formats; no ophthalmic or injectable grade is claimed for this offer.
Quality & Supply Support from Unilong
Unilong supports commercial Tetrapeptide-21 purchases with production-source communication, product documentation and independent inspection coordination.
Factory Visit & Audit Coordination
We coordinate requests for production-site visits and buyer-appointed audits with the manufacturing source. Site access, audit scope and timing are subject to the production site's approval.
Product & Batch Documentation
We coordinate the current product specification, TDS, SDS and applicable batch COA with the production source. Additional analytical records are provided where available for the Tetrapeptide-21 grade offered.
Independent Pre-Shipment Inspection
Independent third-party pre-shipment inspection can be arranged on request, with the inspection scope agreed for the order. Where customer approval before dispatch is agreed, the cargo is held until that approval is received.
Packing & Delivery Coordination
We follow up on agreed packing, labels, batch identification, net quantities and shipment arrangements. Transport requirements are coordinated for the material supplied and the selected delivery route.
More about Unilong's supply support
Procurement FAQ
Do you accept laboratory or research orders?
No. Our supply is intended for commercial cosmetic manufacturing and ingredient distribution. We do not accept laboratory projects or research orders.
What are the MOQ and current lead time?
MOQ and lead time are included in the current quotation for the required quantity and destination.
Is this TEGO Pep 4-17 MB?
No. This offer is for Tetrapeptide-21 powder. TEGO Pep 4-17 MB is Evonik's branded blend containing Tetrapeptide-21, glycerin, butylene glycol and water.
Commercial Tetrapeptide-21 Supply
Contact Unilong with your required quantity, destination and delivery schedule. Include your purchasing specification and packing requirements where applicable.
