INCI: Tetrapeptide-30 CAS:1036207-61-0 Peptide sequence:H-Pro-Lys-Glu-Lys-OH(PKEK) Moleculaire formule:C22H37N5O8 Moleculair gewicht:499.56~500.58 g/mol Verschijning:white or off-white lyophilized powder Zuiverheid:≥95% or ≥98% tested by HPLC Oplosbaarheid:water soluble Vocht:≤10% Single impurity:≤3% Stable pH range:4.0~7.5 Recommended dosage in finished cosmetic:powder raw material 0.001~0.01%;peptide solution(1000ppm) 2~10% Packing for powder:1G,10G,50G,100g per bottle