Best Face Forward

Did you ever wonder where celebrities get that glowing, red-carpet-worthy complexion?

The answer lies in oxygen facials, Hollywood's not-so-well-kept secret that has Madonna and other celebs raving about an instant age-defying look.

In response to the O2 fad, spas everywhere are offering everything from oxygen and vitamin "cocktails" sprayed onto the face to pressurized oxygen pushed below the skin's surface.

Quick Pickup

Dr. Brad Katchen, founder of Manhattan-based SkinCareLab, is a board-certified dermatologist who practiced at Beth Israel Medical Center before opening his downtown office in 2001.

His loyal clientele includes actresses who travel frequently between the East and West Coasts. These jet-setters pop by for an oxygen treatment to get a quick complexion boost.

Katchen began offering the treatment at his spa because he believes it gives tired skin a temporary pickup. ...