The Science of Beauty

Besides the questionable labor practices that surround the shops, glues, lacquers and dust in the workplace create their own risks for nail technicians

Procter & Gamble scientists Greg Hillebrand and Jay Tiesman talk about scientific research related to beauty products and cosmetics. Plus, we'll test your knowledge of some recent science in the news. Web sites related to this episode include www.pg.com/science

From stem cells to the circadian cycle, the science behind new high-tech anti-aging research

From hydrating to getting a good night's sleep, two dermatologists explain which home treatments actually work--and why

The government knows just about as much as you do about what you're putting on your skin—that is to say, not much

Some claim creams can bust the bulgy bane of many, whereas others swear by pricey procedures. But what is cellulite? And can it really be banished for good? A doctor gives the bottom line

A weeklong look into the cutting-edge treatments and age-old cures that promise to keep people looking their best

Male circumcision-derived skin-rejuvenator injections in U.K. have yet to be approved in U.S.

Key genes, rather than cell and DNA damage, as causes of aging

Tips on finding a sunscreen that guards from UV rays but does not contain potentially dangerous chemicals

New research indicates that saccharin and other sugar substitutes may not be such a sweet deal for weight watchers

New study links exercise to greater longevity

Early research shows that taranabant helps to suppress appetite and burn fat.

Scientists have a hunch that the gray hairs we dread (or welcome) may arrive sooner with stress

Your cell phone could be your link to personally tailored beauty products

New study shows that Restylane injections do more than just temporarily fill in the lines

Apparently not. New research says there's no proof of its supposed anti-aging powers