INCI Name: Acetyl Tetrapeptide-15 Appearance: White to Off-White Lyophilized Fine Powder Purity: ≥95% HPLC Tested, Premium Cosmetic Grade Core Function: Boosts skin moisturization, firms dull skin and smooths rough texture Recommended Dosage: 50–500 ppm for finished cosmetic formulations Storage Condition: Sealed preservation at 2–8℃, avoid light and high temperature Shelf Life: 24 months under standard professional storage environment