Medicube Triple Collagen Serum 4.0 (55ml) is a nourishing, milky-textured serum designed to improve skin elasticity, firmness, and radiance using a 20,000ppm Triple Collagen Complex (hydrolyzed, atelo, and soluble collagen). Suitable for all skin types, including sensitive, it provides a "glass-skin" glow while targeting dullness and pores.