Batch 20260925-1 · cosmetic grade
Palmitoyl Tripeptide-38
PT38P · INCI Palmitoyl Tripeptide-38 · CAS 1447824-23-8
A matrikine-type lipopeptide used where the brief asks for firmness rather than hydration. Peptide content is reported by nitrogen, separately from HPLC purity.
| Test item | Specification | Result |
|---|---|---|
| Appearance | White to off-white powder | Complies |
| Identity by ESI-MS | Theoretical MW 675.96 | Complies |
| Purity (HPLC) | ≥ 98.0% | 99.24% |
| Peptide content (by N) | ≥ 80.0% | 92.65% |
| Water content (K.F.) | < 7.0% | 0.82% |
| Acetic acid content | < 15.0% | 10.32% |
| Manufacturer | Leon (Nanjing) Biotechnology | |
| Reference standard | Enterprise standard · cosmetics grade | |
| Packaging | Sealed container; outer aluminium foil bag | |
| Shelf life | Two years when stored as directed | |
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