Medicube PDRN Pink Collagen Bubble Serum 95mlMedicube PDRN Pink Collagen Bubble Serum is a luxurious dualphase formula combining the power of PDRN serum and collagen cream in a balanced 90: 10 ratio to deeply hydrate, firm, and brighten the skin. Designed with advanced microbubble technology, it penetrates up to 12 layers of the skin to deliver active ingredients where they are needed most. Enriched with PDRN for regeneration and collagen for elasticity, it helps refine skin texture, reduce