Medicube Triple Collagen Serum 4.0 55mlDelivering incredible skin rejuvenation, this Medicube Triple Collagen Serum 4. 0 transforms your complexion, the potent, high performance formula combining 1000x fortified collagen, hydrolysed collagen, atelo collagen, and soluble collagen to penetrate the deepest layers of your skin, revealing a plumper, more youthful complexion. Absorbing quickly to improve skin elasticity and refine texture, this lightweight serum leaves your complexion firm,