TRSTAY LUXE Stem Cell & Salmon DNA PDRN Serum – Microneedling Aftercare Anti-Aging Face Serum with Peptides & Hyaluronic Acid – 1.5 mL × 30 Vials, Korean Skincare Formula. Advanced Stem Cell Complex – Formulated with botanical stem cell extracts to promote skin vitality, leaving the complexion looking smoother, more refreshed, and revitalized.