Medicube Pdrn Pink Collagen Exosome Shot Serum 30MlMedicube PDRN Pink Collagen Exosome Shot Serum 30 ml is a Korean treatment serum designed to improve skin elasticity, boost radiance, and support smoother looking skin texture. Often described as a microneedling inspired serum, it combines PDRN, exosomes, collagen, peptides, and hydrating actives to help improve firmness, glow, and skin resilience while delivering a mild tingling sensation during use. Synonym Names Medicube PDRN Pink Collagen Exosome