O's Step-by-Step Foundation Guide
Gina Armstrong, a resident at Mount Sinai Medical Center, sits down with makeup artist Cynde Watson, to get a foundation tutorial.
Swipe several shades along the cheek to find the right color. "Choose the one that disappears into your skin," says Cynde, who recommends yellow-based shades for most women. (For Gina, she used Color by Cynde Watson Cover & Blend in Sun Brown, $18; CyndeWatson.com