For women, the décolleté is the area of your upper torso including your neck, shoulders, upper chest and back that is often exposed by low necklines. Aging, diet, the sun and your lifestyle all affect the appearance of this sensitive area. If you want a youthful look, you need to focus on the whole package — especially in the summer when more skin is on display. We have a few tips to share to help you keep this sexy section of your skin firm and smooth.