This next generation Hyaluronic Acid serum is clinically proven to hydrate the skin over 12 hours. The unique triple weight blend is also proven to deliver an immediately plumping effect. With the power of Hyaluronic Acid in three molecular weights, this efficacious serum is absorbed by the skin on three different levels for the ultimate hydrating effect. The lowest, at 2-10kDa, delivers outstanding performance, penetrating faster and lasting longer than any other forms. Working on the deeper layers of the skin in synchronicity with the skin barrier allows skin not only to receive moisture effectively, but to retain it too.