Serum containing ultra-micronized PDRN at 3% concentration, promoting skin regeneration. INJESK PD30000 Shot Serum x 2, INJESK PDRN serum. This is a new, unopened item, but please refrain from purchasing if you are sensitive to items stored at home. Thank you. PDRN 30000 Ultra-micronized PDRN 3% contained INJESK Serum 2-piece set