We all want to look better and younger, and we spend billions every year on products and procedures to help us get there.

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Face Of The Future

Collagen injections have helped fill in wrinkles and plump up lips for a long time, but tonight we take a close-up look at two of the newest products promising the face of the future.

David Kelly, 48, has volunteered his face for a medical experiment. He wants to get rid of some old acne scars with a product called Isolagen.

This experiment takes some time. Dermatologist Dr. Robert Weiss took a small sample of Kelly's skin weeks ago, and sent it to a lab in Houston.

Scientists at Isolagen's lab stimulate those skin cells to reproduce, and after about six weeks, they send Kelly's own cells back to be injected into the acne scars. The process is also used to plump up facial lines and wrinkles.

This is David Kelly's third treatment with Isolagen, and he's pleased:

"The other night at dinner, my wife was like “It’s really starting to smooth out,’ and I can see the improvement," said Kelly.

Isolagen says its laboratory process will stimulate your body's collagen producing cells to plump up your skin, and it claims that process continues after the cells are injected. And - they are your own cells - no foreign substances.

"The main differentiating points: Isolagen is a living biologic product that comes from your own body and that the results could last indefinitely as opposed to a very specific period of time for the other substances," said Dr. Robert Weiss.

"So far our results have been pretty good. I've been amazed," he added.

Isolagen looks interesting, but you’re going to have to wait. The earliest it could be on the market is next year. The newest thing that's available right now is called Restylane.

Restylane's another facial filler. Dermatologist Dr. Tina West knows it's been used in Europe for several years. She's been using Restylane ever since the FDA approved it last December. It's a gel made from hyaluronic acid, a natural sugar. And it's supposed to last two or three times longer than collagen.

"As it starts to be degraded by the body naturally, it actually starts to attract more water as it's degraded, so it maintains the water for a longer period of time," said West.

Candice Kotula is only 31, but she's getting ready for a big event with Restylane:

"This is the look you want for those wedding day photographs? I do. I want to look fresh and young for my wedding and have a nice big smile," said Kotula.

Restylane's more expensive than collagen - up to $600 or $700 a treatment.

We don't know what Isolagen's going to cost yet.