Batch 20260906-H1-1 · cosmetic grade
Acetyl Hexapeptide-8
Argireline-type · INCI Acetyl Hexapeptide-8 · CAS 616204-22-9
The hexapeptide behind most 'expression line' serums. White powder, water-soluble, with TFA content controlled separately from the acetic acid counter-ion.
| Test item | Specification | Result |
|---|---|---|
| Appearance | White to off-white powder | Complies |
| Identity by ESI-MS | Theoretical MW 888.99 | Complies |
| Purity (HPLC) | ≥ 98.0% | 99.87% |
| Water content (K.F.) | < 7.0% | 3.39% |
| Acetic acid content | < 15.0% | 2.45% |
| Trifluoroacetic acid | ≤ 1.0% | 0.01% |
| Solubility | ≥ 5 mg/ml in water | Complies |
| 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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