Brand New Medicube Triple Collagen Serum plus 2 free Medicube zero pore cooling masks! Triple Collagen Serum 4.0 is a lightweight serum that consist of 1000x fortified collagen. Hydrolyzed collagen, atelo collagen and soluble collagen make up the Triple Collagen Complex that penetrates faster and deeper into skin barrier, providing even the deepest skin layer the nutrients it needs for plump and healthy looking skin. WHO NEEDS IT: Matured skin All skin types who want a healthy glow