Palmitoyl Tetrapeptide-7 — INCI Palmitoyl Tetrapeptide-7, CAS 221227-05-0 — is a lipidated peptide widely used alongside Palmitoyl Tripeptide-1; together they form the well-known "Matrixyl 3000" style pairing for anti-aging skincare.
Key specifications
- CAS No.: 221227-05-0
- INCI: Palmitoyl Tetrapeptide-7
- Appearance: white to off-white powder
- Purity: cosmetic grade, HPLC assay on COA
- Solubility: lipophilic due to the palmitoyl chain
Formulation notes
Effective at low active levels. Frequently blended with Palmitoyl Tripeptide-1. Disperse/solubilise appropriately, add during cool-down, keep pH mild, and validate the finished formula for stability and preservative efficacy. Store sealed, cool, dry and away from light.
Sourcing checklist
- Batch COA with HPLC assay and method;
- MSDS and an HPLC chromatogram for high-value lots;
- MOQ, packaging and lead time;
- A sample for bench testing.
WYOO supplies Palmitoyl Tetrapeptide-7, cosmetic grade, with COA and MSDS on every batch and MOQ from 1 kg. Contact us for a sample and pricing — and ask about the Pal-GHK / Pal-Tetra pairing.