Product Name: Phosphatidyl Serine Grade: Cosmetic grade Appearance: Light yellow loose fine powder Source: Plant lecithin extract INCI Name: Phosphatidylserine CAS Number: 51446‑62‑9 Assay: 20%, 50%, 70%, tested by HPLC Solubility: Liposoluble, suitable for cosmetic oil phase Recommended dosage: 0.2%‑2.0%Safety index: Heavy metal and microbial indexes meet cosmetic raw material standards