If you truly, deeply care about skincare, Serum Serum Serum is the thing you have been waiting for. Known for their potent moisturizing and skin renewing effects, hyaluronic acid and sodium hyaluronate help retain moisture over time for a youthful glow that lasts. The squalane oil infused micro-capsule delivery system enables youthful antioxidants to reach even deeper into your skin to replenish your complexion and give you a firmer, healthier and younger-looking skin.