Though Mick tried to convince everyone that James had taken a youth serum developed by Dante, in reality, James had brainwashed Dante.

According to most experts who aren't hawking half-ounce jars of $200 youth serum, the science behind skin care is simpler than most of us think.

At 31 years old, the third-seeded Agassi has tapped into a youth serum.

Long ago, scientists on that world were experimenting with a youth serum, to lengthen the life spans of their people.

In desperation, she consults a scientist working on a new youth serum based on wasp hormones.

"A youth serum is what you'd call it," he said, peering into the pot of lobsters.

The youth serum for The Piggy.

A mad doctor (Austin Pendleton) also wants to use Johnny's body parts to develop an eternal youth serum.

Buddy Love, Sherman Klump's slim, obnoxious alter ego, steals Sherman's youth serum.

But having to constantly administer youth serum can send a spouse fleeing into the arms of someone who actually is young.