Medicube Collagen Glow Booster Serum is an advanced Serum that gives your skin a radiant glow and improved elasticity. With a unique blend of hydrolyzed collagen, elastin, and niacinamide, this Serum helps to reduce fine lines, deeply hydrate, and improve skin firmness. Additionally, it contains milk proteins that gently exfoliate dead skin cells and strengthen the skin's barrier.