The summer sun tends to dry out skin like no other, and we all know that dry skin is not only uncomfortable but also exemplifies fine lines and wrinkles. Therefore, many are now reconsidering the Dr. Angela Lamb, a board-certified dermatologist, stopped by the 3rd hour of TODAY to highlight this key ingredient and recommended products that are easy to implement into any morning or nighttime routine.

Dr. Lamb broke it down for us chemically and explained how you can see it working in your skin care routine. She says it's a glycosaminoglycan, a.k.a "a large sugar molecule."

"It draws in moisture, pulling water into the skin from the environment or deeper layers," she says, adding that it "helps to reduce the appearance of fine lines and improves skin elasticity and texture."